20876458430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109876097}}^1$

素因数の和:109876123

約数の個数: 16

約数和(自身を含む): 39555395280

約数和(自身を除く): 18678936850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 109876097, 219752194, 549380485, 1098760970, 2087645843, 4175291686, 10438229215, 20876458430]

約数ペア:

[(1, 20876458430), (2, 10438229215), (5, 4175291686), (10, 2087645843), (19, 1098760970), (38, 549380485), (95, 219752194), (190, 109876097)]