20872802

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1489}}^1$

素因数の和:1697

約数の個数: 16

約数和(自身を含む): 32255520

約数和(自身を除く): 11382718

約数列:

[1, 2, 43, 86, 163, 326, 1489, 2978, 7009, 14018, 64027, 128054, 242707, 485414, 10436401, 20872802]

約数ペア:

[(1, 20872802), (2, 10436401), (43, 485414), (86, 242707), (163, 128054), (326, 64027), (1489, 14018), (2978, 7009)]