20379632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13997}}^1$

素因数の和:14025

約数の個数: 40

約数和(自身を含む): 48601056

約数和(自身を除く): 28221424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13997, 27994, 55988, 97979, 111976, 181961, 195958, 223952, 363922, 391916, 727844, 783832, 1273727, 1455688, 1567664, 2547454, 2911376, 5094908, 10189816, 20379632]

約数ペア:

[(1, 20379632), (2, 10189816), (4, 5094908), (7, 2911376), (8, 2547454), (13, 1567664), (14, 1455688), (16, 1273727), (26, 783832), (28, 727844), (52, 391916), (56, 363922), (91, 223952), (104, 195958), (112, 181961), (182, 111976), (208, 97979), (364, 55988), (728, 27994), (1456, 13997)]