20892404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3067}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 39687648

約数和(自身を除く): 18795244

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3067, 3406, 6134, 6812, 12268, 39871, 79742, 159484, 401777, 803554, 1607108, 5223101, 10446202, 20892404]

約数ペア:

[(1, 20892404), (2, 10446202), (4, 5223101), (13, 1607108), (26, 803554), (52, 401777), (131, 159484), (262, 79742), (524, 39871), (1703, 12268), (3067, 6812), (3406, 6134)]