20914348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57457}}^1$

素因数の和:57481

約数の個数: 24

約数和(自身を含む): 45047072

約数和(自身を除く): 24132724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57457, 114914, 229828, 402199, 746941, 804398, 1493882, 1608796, 2987764, 5228587, 10457174, 20914348]

約数ペア:

[(1, 20914348), (2, 10457174), (4, 5228587), (7, 2987764), (13, 1608796), (14, 1493882), (26, 804398), (28, 746941), (52, 402199), (91, 229828), (182, 114914), (364, 57457)]