20210798615

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1723}}^1\times {\mathrm{4591}}^1$

素因数の和:6399

約数の個数: 32

約数和(自身を含む): 28119791616

約数和(自身を除く): 7908993001

約数列:

[1, 5, 7, 35, 73, 365, 511, 1723, 2555, 4591, 8615, 12061, 22955, 32137, 60305, 125779, 160685, 335143, 628895, 880453, 1675715, 2346001, 4402265, 7910293, 11730005, 39551465, 55372051, 276860255, 577451389, 2887256945, 4042159723, 20210798615]

約数ペア:

[(1, 20210798615), (5, 4042159723), (7, 2887256945), (35, 577451389), (73, 276860255), (365, 55372051), (511, 39551465), (1723, 11730005), (2555, 7910293), (4591, 4402265), (8615, 2346001), (12061, 1675715), (22955, 880453), (32137, 628895), (60305, 335143), (125779, 160685)]