20074020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 56591808

約数和(自身を除く): 36517788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2131, 2355, 3140, 4262, 4710, 6393, 8524, 9420, 10655, 12786, 21310, 25572, 31965, 42620, 63930, 127860, 334567, 669134, 1003701, 1338268, 1672835, 2007402, 3345670, 4014804, 5018505, 6691340, 10037010, 20074020]

約数ペア:

[(1, 20074020), (2, 10037010), (3, 6691340), (4, 5018505), (5, 4014804), (6, 3345670), (10, 2007402), (12, 1672835), (15, 1338268), (20, 1003701), (30, 669134), (60, 334567), (157, 127860), (314, 63930), (471, 42620), (628, 31965), (785, 25572), (942, 21310), (1570, 12786), (1884, 10655), (2131, 9420), (2355, 8524), (3140, 6393), (4262, 4710)]