20178544568

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 192

約数和(自身を含む): 48738024000

約数和(自身を除く): 28559479432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 53, 56, 91, 98, 104, 106, 169, 182, 196, 212, 338, 343, 364, 371, 392, 424, 637, 676, 686, 689, 728, 742, 821, 1183, 1274, 1352, 1372, 1378, 1484, 1642, 2366, 2548, 2597, 2744, 2756, 2968, 3284, 4459, 4732, 4823, 5096, 5194, 5512, 5747, 6568, 8281, 8918, 8957, 9464, 9646, 10388, 10673, 11494, 16562, 17836, 17914, 18179, 19292, 20776, 21346, 22988, 33124, 33761, 35672, 35828, 36358, 38584, 40229, 42692, 43513, 45976, 57967, 62699, 66248, 67522, 71656, 72716, 74711, 80458, 85384, 87026, 115934, 125398, 135044, 138749, 145432, 149422, 160916, 174052, 231868, 236327, 250796, 270088, 277498, 281603, 298844, 304591, 321832, 348104, 438893, 463736, 472654, 501592, 522977, 554996, 563206, 565669, 597688, 609182, 877786, 945308, 971243, 1045954, 1109992, 1126412, 1131338, 1218364, 1755572, 1890616, 1942486, 2091908, 2132137, 2252824, 2262676, 2436728, 3072251, 3511144, 3660839, 3884972, 3959683, 4183816, 4264274, 4525352, 6144502, 6798701, 7321678, 7353697, 7769944, 7919366, 8528548, 12289004, 13597402, 14643356, 14707394, 14924959, 15838732, 17057096, 24578008, 27194804, 27717781, 29286712, 29414788, 29849918, 31677464, 47590907, 51475879, 54389608, 55435562, 58829576, 59699836, 95181814, 102951758, 110871124, 119399672, 190363628, 194024467, 205903516, 221742248, 360331153, 380727256, 388048934, 411807032, 720662306, 776097868, 1441324612, 1552195736, 2522318071, 2882649224, 5044636142, 10089272284, 20178544568]

約数ペア:

[(1, 20178544568), (2, 10089272284), (4, 5044636142), (7, 2882649224), (8, 2522318071), (13, 1552195736), (14, 1441324612), (26, 776097868), (28, 720662306), (49, 411807032), (52, 388048934), (53, 380727256), (56, 360331153), (91, 221742248), (98, 205903516), (104, 194024467), (106, 190363628), (169, 119399672), (182, 110871124), (196, 102951758), (212, 95181814), (338, 59699836), (343, 58829576), (364, 55435562), (371, 54389608), (392, 51475879), (424, 47590907), (637, 31677464), (676, 29849918), (686, 29414788), (689, 29286712), (728, 27717781), (742, 27194804), (821, 24578008), (1183, 17057096), (1274, 15838732), (1352, 14924959), (1372, 14707394), (1378, 14643356), (1484, 13597402), (1642, 12289004), (2366, 8528548), (2548, 7919366), (2597, 7769944), (2744, 7353697), (2756, 7321678), (2968, 6798701), (3284, 6144502), (4459, 4525352), (4732, 4264274), (4823, 4183816), (5096, 3959683), (5194, 3884972), (5512, 3660839), (5747, 3511144), (6568, 3072251), (8281, 2436728), (8918, 2262676), (8957, 2252824), (9464, 2132137), (9646, 2091908), (10388, 1942486), (10673, 1890616), (11494, 1755572), (16562, 1218364), (17836, 1131338), (17914, 1126412), (18179, 1109992), (19292, 1045954), (20776, 971243), (21346, 945308), (22988, 877786), (33124, 609182), (33761, 597688), (35672, 565669), (35828, 563206), (36358, 554996), (38584, 522977), (40229, 501592), (42692, 472654), (43513, 463736), (45976, 438893), (57967, 348104), (62699, 321832), (66248, 304591), (67522, 298844), (71656, 281603), (72716, 277498), (74711, 270088), (80458, 250796), (85384, 236327), (87026, 231868), (115934, 174052), (125398, 160916), (135044, 149422), (138749, 145432)]