20747792

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7673}}^1$

素因数の和:7707

約数の個数: 30

約数和(自身を含む): 43534602

約数和(自身を除く): 22786810

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7673, 15346, 30692, 61384, 99749, 122768, 199498, 398996, 797992, 1296737, 1595984, 2593474, 5186948, 10373896, 20747792]

約数ペア:

[(1, 20747792), (2, 10373896), (4, 5186948), (8, 2593474), (13, 1595984), (16, 1296737), (26, 797992), (52, 398996), (104, 199498), (169, 122768), (208, 99749), (338, 61384), (676, 30692), (1352, 15346), (2704, 7673)]