20391084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80917}}^1$

素因数の和:80934

約数の個数: 36

約数和(自身を含む): 58908304

約数和(自身を除く): 38517220

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80917, 161834, 242751, 323668, 485502, 566419, 728253, 971004, 1132838, 1456506, 1699257, 2265676, 2913012, 3398514, 5097771, 6797028, 10195542, 20391084]

約数ペア:

[(1, 20391084), (2, 10195542), (3, 6797028), (4, 5097771), (6, 3398514), (7, 2913012), (9, 2265676), (12, 1699257), (14, 1456506), (18, 1132838), (21, 971004), (28, 728253), (36, 566419), (42, 485502), (63, 323668), (84, 242751), (126, 161834), (252, 80917)]