20459312

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21673}}^1$

素因数の和:21740

約数の個数: 20

約数和(自身を含む): 40313640

約数和(自身を除く): 19854328

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21673, 43346, 86692, 173384, 346768, 1278707, 2557414, 5114828, 10229656, 20459312]

約数ペア:

[(1, 20459312), (2, 10229656), (4, 5114828), (8, 2557414), (16, 1278707), (59, 346768), (118, 173384), (236, 86692), (472, 43346), (944, 21673)]