20401050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 50880672

約数和(自身を除く): 30479622

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 277, 491, 554, 831, 982, 1385, 1473, 1662, 2455, 2770, 2946, 4155, 4910, 6925, 7365, 8310, 12275, 13850, 14730, 20775, 24550, 36825, 41550, 73650, 136007, 272014, 408021, 680035, 816042, 1360070, 2040105, 3400175, 4080210, 6800350, 10200525, 20401050]

約数ペア:

[(1, 20401050), (2, 10200525), (3, 6800350), (5, 4080210), (6, 3400175), (10, 2040105), (15, 1360070), (25, 816042), (30, 680035), (50, 408021), (75, 272014), (150, 136007), (277, 73650), (491, 41550), (554, 36825), (831, 24550), (982, 20775), (1385, 14730), (1473, 13850), (1662, 12275), (2455, 8310), (2770, 7365), (2946, 6925), (4155, 4910)]