20120869988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{1621}}^1\times {\mathrm{42509}}^1$

素因数の和:44207

約数の個数: 24

約数和(自身を含む): 35716731960

約数和(自身を除く): 15595861972

約数列:

[1, 2, 4, 73, 146, 292, 1621, 3242, 6484, 42509, 85018, 118333, 170036, 236666, 473332, 3103157, 6206314, 12412628, 68907089, 137814178, 275628356, 5030217497, 10060434994, 20120869988]

約数ペア:

[(1, 20120869988), (2, 10060434994), (4, 5030217497), (73, 275628356), (146, 137814178), (292, 68907089), (1621, 12412628), (3242, 6206314), (6484, 3103157), (42509, 473332), (85018, 236666), (118333, 170036)]