20809914830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71758327}}^1$

素因数の和:71758363

約数の個数: 16

約数和(自身を含む): 38749497120

約数和(自身を除く): 17939582290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 71758327, 143516654, 358791635, 717583270, 2080991483, 4161982966, 10404957415, 20809914830]

約数ペア:

[(1, 20809914830), (2, 10404957415), (5, 4161982966), (10, 2080991483), (29, 717583270), (58, 358791635), (145, 143516654), (290, 71758327)]