20867920705

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{86183}}^1$

素因数の和:86880

約数の個数: 16

約数和(自身を含む): 25400148480

約数和(自身を除く): 4532227775

約数列:

[1, 5, 79, 395, 613, 3065, 48427, 86183, 242135, 430915, 6808457, 34042285, 52830179, 264150895, 4173584141, 20867920705]

約数ペア:

[(1, 20867920705), (5, 4173584141), (79, 264150895), (395, 52830179), (613, 34042285), (3065, 6808457), (48427, 430915), (86183, 242135)]