20800434928

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1144

約数の個数: 240

約数和(自身を含む): 53327211840

約数和(自身を除く): 32526776912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 49, 52, 56, 89, 91, 92, 98, 104, 112, 161, 178, 182, 184, 196, 208, 299, 322, 356, 364, 368, 392, 598, 623, 637, 644, 712, 728, 784, 997, 1127, 1157, 1196, 1246, 1274, 1288, 1424, 1456, 1994, 2047, 2093, 2254, 2314, 2392, 2492, 2548, 2576, 3988, 4094, 4186, 4361, 4508, 4628, 4784, 4984, 5096, 6979, 7976, 8099, 8188, 8372, 8722, 9016, 9256, 9968, 10192, 12961, 13958, 14329, 14651, 15952, 16198, 16376, 16744, 17444, 18032, 18512, 22931, 25922, 26611, 27916, 28658, 29302, 32396, 32752, 33488, 34888, 45862, 48853, 51844, 53222, 55832, 56693, 57316, 58604, 64792, 69776, 88733, 90727, 91724, 97706, 100303, 103688, 106444, 111664, 113386, 114632, 117208, 129584, 160517, 177466, 181454, 183448, 186277, 195412, 200606, 207376, 212888, 226772, 229264, 234416, 298103, 321034, 354932, 362908, 366896, 372554, 390824, 401212, 425776, 453544, 596206, 621131, 635089, 642068, 709864, 725816, 745108, 781648, 802424, 907088, 1123619, 1153529, 1192412, 1242262, 1270178, 1284136, 1303939, 1419728, 1451632, 1490216, 1604848, 2040859, 2086721, 2247238, 2307058, 2384824, 2484524, 2540356, 2568272, 2607878, 2980432, 4081718, 4173442, 4347917, 4494476, 4614116, 4769648, 4969048, 5080712, 5215756, 8074703, 8163436, 8346884, 8695834, 8988952, 9228232, 9938096, 10161424, 10431512, 14286013, 14607047, 16149406, 16326872, 16693768, 17391668, 17977904, 18456464, 20863024, 26531167, 28572026, 29214094, 32298812, 32653744, 33387536, 34783336, 53062334, 56522921, 57144052, 58428188, 64597624, 69566672, 100002091, 106124668, 113045842, 114288104, 116856376, 129195248, 185718169, 200004182, 212249336, 226091684, 228576208, 233712752, 371436338, 400008364, 424498672, 452183368, 742872676, 800016728, 904366736, 1300027183, 1485745352, 1600033456, 2600054366, 2971490704, 5200108732, 10400217464, 20800434928]

約数ペア:

[(1, 20800434928), (2, 10400217464), (4, 5200108732), (7, 2971490704), (8, 2600054366), (13, 1600033456), (14, 1485745352), (16, 1300027183), (23, 904366736), (26, 800016728), (28, 742872676), (46, 452183368), (49, 424498672), (52, 400008364), (56, 371436338), (89, 233712752), (91, 228576208), (92, 226091684), (98, 212249336), (104, 200004182), (112, 185718169), (161, 129195248), (178, 116856376), (182, 114288104), (184, 113045842), (196, 106124668), (208, 100002091), (299, 69566672), (322, 64597624), (356, 58428188), (364, 57144052), (368, 56522921), (392, 53062334), (598, 34783336), (623, 33387536), (637, 32653744), (644, 32298812), (712, 29214094), (728, 28572026), (784, 26531167), (997, 20863024), (1127, 18456464), (1157, 17977904), (1196, 17391668), (1246, 16693768), (1274, 16326872), (1288, 16149406), (1424, 14607047), (1456, 14286013), (1994, 10431512), (2047, 10161424), (2093, 9938096), (2254, 9228232), (2314, 8988952), (2392, 8695834), (2492, 8346884), (2548, 8163436), (2576, 8074703), (3988, 5215756), (4094, 5080712), (4186, 4969048), (4361, 4769648), (4508, 4614116), (4628, 4494476), (4784, 4347917), (4984, 4173442), (5096, 4081718), (6979, 2980432), (7976, 2607878), (8099, 2568272), (8188, 2540356), (8372, 2484524), (8722, 2384824), (9016, 2307058), (9256, 2247238), (9968, 2086721), (10192, 2040859), (12961, 1604848), (13958, 1490216), (14329, 1451632), (14651, 1419728), (15952, 1303939), (16198, 1284136), (16376, 1270178), (16744, 1242262), (17444, 1192412), (18032, 1153529), (18512, 1123619), (22931, 907088), (25922, 802424), (26611, 781648), (27916, 745108), (28658, 725816), (29302, 709864), (32396, 642068), (32752, 635089), (33488, 621131), (34888, 596206), (45862, 453544), (48853, 425776), (51844, 401212), (53222, 390824), (55832, 372554), (56693, 366896), (57316, 362908), (58604, 354932), (64792, 321034), (69776, 298103), (88733, 234416), (90727, 229264), (91724, 226772), (97706, 212888), (100303, 207376), (103688, 200606), (106444, 195412), (111664, 186277), (113386, 183448), (114632, 181454), (117208, 177466), (129584, 160517)]