20950110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2503}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 57692160

約数和(自身を除く): 36742050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2503, 2790, 4185, 5006, 7509, 8370, 12515, 15018, 22527, 25030, 37545, 45054, 67581, 75090, 77593, 112635, 135162, 155186, 225270, 232779, 337905, 387965, 465558, 675810, 698337, 775930, 1163895, 1396674, 2095011, 2327790, 3491685, 4190022, 6983370, 10475055, 20950110]

約数ペア:

[(1, 20950110), (2, 10475055), (3, 6983370), (5, 4190022), (6, 3491685), (9, 2327790), (10, 2095011), (15, 1396674), (18, 1163895), (27, 775930), (30, 698337), (31, 675810), (45, 465558), (54, 387965), (62, 337905), (90, 232779), (93, 225270), (135, 155186), (155, 135162), (186, 112635), (270, 77593), (279, 75090), (310, 67581), (465, 45054), (558, 37545), (837, 25030), (930, 22527), (1395, 15018), (1674, 12515), (2503, 8370), (2790, 7509), (4185, 5006)]