2020811312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9715439}}^1$

素因数の和:9715460

約数の個数: 20

約数和(自身を含む): 4216500960

約数和(自身を除く): 2195689648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9715439, 19430878, 38861756, 77723512, 126300707, 155447024, 252601414, 505202828, 1010405656, 2020811312]

約数ペア:

[(1, 2020811312), (2, 1010405656), (4, 505202828), (8, 252601414), (13, 155447024), (16, 126300707), (26, 77723512), (52, 38861756), (104, 19430878), (208, 9715439)]