20409880078

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23899157}}^1$

素因数の和:23899227

約数の個数: 16

約数和(自身を含む): 35561947104

約数和(自身を除く): 15152067026

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23899157, 47798314, 167294099, 334588198, 1457848577, 2915697154, 10204940039, 20409880078]

約数ペア:

[(1, 20409880078), (2, 10204940039), (7, 2915697154), (14, 1457848577), (61, 334588198), (122, 167294099), (427, 47798314), (854, 23899157)]