20165566760

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1\times {\mathrm{2969}}^1$

素因数の和:3870

約数の個数: 64

約数和(自身を含む): 45625971600

約数和(自身を除く): 25460404840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 613, 1108, 1226, 1385, 2216, 2452, 2770, 2969, 3065, 4904, 5540, 5938, 6130, 11080, 11876, 12260, 14845, 23752, 24520, 29690, 59380, 118760, 169801, 339602, 679204, 822413, 849005, 1358408, 1644826, 1698010, 1819997, 3289652, 3396020, 3639994, 4112065, 6579304, 6792040, 7279988, 8224130, 9099985, 14559976, 16448260, 18199970, 32896520, 36399940, 72799880, 504139169, 1008278338, 2016556676, 2520695845, 4033113352, 5041391690, 10082783380, 20165566760]

約数ペア:

[(1, 20165566760), (2, 10082783380), (4, 5041391690), (5, 4033113352), (8, 2520695845), (10, 2016556676), (20, 1008278338), (40, 504139169), (277, 72799880), (554, 36399940), (613, 32896520), (1108, 18199970), (1226, 16448260), (1385, 14559976), (2216, 9099985), (2452, 8224130), (2770, 7279988), (2969, 6792040), (3065, 6579304), (4904, 4112065), (5540, 3639994), (5938, 3396020), (6130, 3289652), (11080, 1819997), (11876, 1698010), (12260, 1644826), (14845, 1358408), (23752, 849005), (24520, 822413), (29690, 679204), (59380, 339602), (118760, 169801)]