20010698032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{2659}}^1$

素因数の和:3150

約数の個数: 80

約数和(自身を含む): 42312534880

約数和(自身を除く): 22301836848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 373, 388, 746, 776, 1261, 1492, 1552, 2522, 2659, 2984, 4849, 5044, 5318, 5968, 9698, 10088, 10636, 19396, 20176, 21272, 34567, 36181, 38792, 42544, 69134, 72362, 77584, 138268, 144724, 257923, 276536, 289448, 470353, 515846, 553072, 578896, 940706, 991807, 1031692, 1881412, 1983614, 2063384, 3352999, 3762824, 3967228, 4126768, 6705998, 7525648, 7934456, 12893491, 13411996, 15868912, 25786982, 26823992, 51573964, 53647984, 96205279, 103147928, 192410558, 206295856, 384821116, 769642232, 1250668627, 1539284464, 2501337254, 5002674508, 10005349016, 20010698032]

約数ペア:

[(1, 20010698032), (2, 10005349016), (4, 5002674508), (8, 2501337254), (13, 1539284464), (16, 1250668627), (26, 769642232), (52, 384821116), (97, 206295856), (104, 192410558), (194, 103147928), (208, 96205279), (373, 53647984), (388, 51573964), (746, 26823992), (776, 25786982), (1261, 15868912), (1492, 13411996), (1552, 12893491), (2522, 7934456), (2659, 7525648), (2984, 6705998), (4849, 4126768), (5044, 3967228), (5318, 3762824), (5968, 3352999), (9698, 2063384), (10088, 1983614), (10636, 1881412), (19396, 1031692), (20176, 991807), (21272, 940706), (34567, 578896), (36181, 553072), (38792, 515846), (42544, 470353), (69134, 289448), (72362, 276536), (77584, 257923), (138268, 144724)]