20555450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8747}}^1$

素因数の和:8806

約数の個数: 24

約数和(自身を含む): 39051072

約数和(自身を除く): 18495622

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8747, 17494, 43735, 87470, 218675, 411109, 437350, 822218, 2055545, 4111090, 10277725, 20555450]

約数ペア:

[(1, 20555450), (2, 10277725), (5, 4111090), (10, 2055545), (25, 822218), (47, 437350), (50, 411109), (94, 218675), (235, 87470), (470, 43735), (1175, 17494), (2350, 8747)]