20199012550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13031621}}^1$

素因数の和:13031664

約数の個数: 24

約数和(自身を含む): 38782107072

約数和(自身を除く): 18583094522

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13031621, 26063242, 65158105, 130316210, 325790525, 403980251, 651581050, 807960502, 2019901255, 4039802510, 10099506275, 20199012550]

約数ペア:

[(1, 20199012550), (2, 10099506275), (5, 4039802510), (10, 2019901255), (25, 807960502), (31, 651581050), (50, 403980251), (62, 325790525), (155, 130316210), (310, 65158105), (775, 26063242), (1550, 13031621)]