20806368

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 46689312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 19, 22, 24, 32, 33, 34, 38, 44, 48, 51, 57, 61, 66, 68, 76, 88, 96, 102, 114, 122, 132, 136, 152, 176, 183, 187, 204, 209, 228, 244, 264, 272, 304, 323, 352, 366, 374, 408, 418, 456, 488, 528, 544, 561, 608, 627, 646, 671, 732, 748, 816, 836, 912, 969, 976, 1037, 1056, 1122, 1159, 1254, 1292, 1342, 1464, 1496, 1632, 1672, 1824, 1938, 1952, 2013, 2074, 2244, 2318, 2508, 2584, 2684, 2928, 2992, 3111, 3344, 3477, 3553, 3876, 4026, 4148, 4488, 4636, 5016, 5168, 5368, 5856, 5984, 6222, 6688, 6954, 7106, 7752, 8052, 8296, 8976, 9272, 10032, 10336, 10659, 10736, 11407, 12444, 12749, 13908, 14212, 15504, 16104, 16592, 17952, 18544, 19703, 20064, 21318, 21472, 22814, 24888, 25498, 27816, 28424, 31008, 32208, 33184, 34221, 37088, 38247, 39406, 42636, 45628, 49776, 50996, 55632, 56848, 59109, 64416, 68442, 76494, 78812, 85272, 91256, 99552, 101992, 111264, 113696, 118218, 136884, 152988, 157624, 170544, 182512, 203984, 216733, 236436, 273768, 305976, 315248, 341088, 365024, 407968, 433466, 472872, 547536, 611952, 630496, 650199, 866932, 945744, 1095072, 1223904, 1300398, 1733864, 1891488, 2600796, 3467728, 5201592, 6935456, 10403184, 20806368]

約数ペア:

[(1, 20806368), (2, 10403184), (3, 6935456), (4, 5201592), (6, 3467728), (8, 2600796), (11, 1891488), (12, 1733864), (16, 1300398), (17, 1223904), (19, 1095072), (22, 945744), (24, 866932), (32, 650199), (33, 630496), (34, 611952), (38, 547536), (44, 472872), (48, 433466), (51, 407968), (57, 365024), (61, 341088), (66, 315248), (68, 305976), (76, 273768), (88, 236436), (96, 216733), (102, 203984), (114, 182512), (122, 170544), (132, 157624), (136, 152988), (152, 136884), (176, 118218), (183, 113696), (187, 111264), (204, 101992), (209, 99552), (228, 91256), (244, 85272), (264, 78812), (272, 76494), (304, 68442), (323, 64416), (352, 59109), (366, 56848), (374, 55632), (408, 50996), (418, 49776), (456, 45628), (488, 42636), (528, 39406), (544, 38247), (561, 37088), (608, 34221), (627, 33184), (646, 32208), (671, 31008), (732, 28424), (748, 27816), (816, 25498), (836, 24888), (912, 22814), (969, 21472), (976, 21318), (1037, 20064), (1056, 19703), (1122, 18544), (1159, 17952), (1254, 16592), (1292, 16104), (1342, 15504), (1464, 14212), (1496, 13908), (1632, 12749), (1672, 12444), (1824, 11407), (1938, 10736), (1952, 10659), (2013, 10336), (2074, 10032), (2244, 9272), (2318, 8976), (2508, 8296), (2584, 8052), (2684, 7752), (2928, 7106), (2992, 6954), (3111, 6688), (3344, 6222), (3477, 5984), (3553, 5856), (3876, 5368), (4026, 5168), (4148, 5016), (4488, 4636)]