20283770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4274

約数の個数: 32

約数和(自身を含む): 40391568

約数和(自身を除く): 20107798

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4217, 4810, 8434, 21085, 42170, 54821, 109642, 156029, 274105, 312058, 548210, 780145, 1560290, 2028377, 4056754, 10141885, 20283770]

約数ペア:

[(1, 20283770), (2, 10141885), (5, 4056754), (10, 2028377), (13, 1560290), (26, 780145), (37, 548210), (65, 312058), (74, 274105), (130, 156029), (185, 109642), (370, 54821), (481, 42170), (962, 21085), (2405, 8434), (4217, 4810)]