20055180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2129}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 56538720

約数和(自身を除く): 36483540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2129, 2355, 3140, 4258, 4710, 6387, 8516, 9420, 10645, 12774, 21290, 25548, 31935, 42580, 63870, 127740, 334253, 668506, 1002759, 1337012, 1671265, 2005518, 3342530, 4011036, 5013795, 6685060, 10027590, 20055180]

約数ペア:

[(1, 20055180), (2, 10027590), (3, 6685060), (4, 5013795), (5, 4011036), (6, 3342530), (10, 2005518), (12, 1671265), (15, 1337012), (20, 1002759), (30, 668506), (60, 334253), (157, 127740), (314, 63870), (471, 42580), (628, 31935), (785, 25548), (942, 21290), (1570, 12774), (1884, 10645), (2129, 9420), (2355, 8516), (3140, 6387), (4258, 4710)]