20186725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 27185760

約数和(自身を除く): 6999035

約数列:

[1, 5, 13, 25, 65, 179, 325, 347, 895, 1735, 2327, 4475, 4511, 8675, 11635, 22555, 58175, 62113, 112775, 310565, 807469, 1552825, 4037345, 20186725]

約数ペア:

[(1, 20186725), (5, 4037345), (13, 1552825), (25, 807469), (65, 310565), (179, 112775), (325, 62113), (347, 58175), (895, 22555), (1735, 11635), (2327, 8675), (4475, 4511)]