20163721204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{412481}}^1$

素因数の和:412608

約数の個数: 36

約数和(自身を含む): 39170115684

約数和(自身を除く): 19006394480

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 1111, 2222, 4444, 12221, 24442, 48884, 412481, 824962, 1649924, 4537291, 9074582, 18149164, 41660581, 49910201, 83321162, 99820402, 166642324, 199640804, 458266391, 916532782, 1833065564, 5040930301, 10081860602, 20163721204]

約数ペア:

[(1, 20163721204), (2, 10081860602), (4, 5040930301), (11, 1833065564), (22, 916532782), (44, 458266391), (101, 199640804), (121, 166642324), (202, 99820402), (242, 83321162), (404, 49910201), (484, 41660581), (1111, 18149164), (2222, 9074582), (4444, 4537291), (12221, 1649924), (24442, 824962), (48884, 412481)]