20201212

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1613}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 36876672

約数和(自身を除く): 16675460

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 1613, 3131, 3226, 6262, 6452, 12524, 50003, 100006, 162913, 200012, 325826, 651652, 5050303, 10100606, 20201212]

約数ペア:

[(1, 20201212), (2, 10100606), (4, 5050303), (31, 651652), (62, 325826), (101, 200012), (124, 162913), (202, 100006), (404, 50003), (1613, 12524), (3131, 6452), (3226, 6262)]