20138462220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2137841}}^1$

素因数の和:2138010

約数の個数: 48

約数和(自身を含む): 56746878048

約数和(自身を除く): 36608415828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 2137841, 4275682, 6413523, 8551364, 10689205, 12827046, 21378410, 25654092, 32067615, 42756820, 64135230, 128270460, 335641037, 671282074, 1006923111, 1342564148, 1678205185, 2013846222, 3356410370, 4027692444, 5034615555, 6712820740, 10069231110, 20138462220]

約数ペア:

[(1, 20138462220), (2, 10069231110), (3, 6712820740), (4, 5034615555), (5, 4027692444), (6, 3356410370), (10, 2013846222), (12, 1678205185), (15, 1342564148), (20, 1006923111), (30, 671282074), (60, 335641037), (157, 128270460), (314, 64135230), (471, 42756820), (628, 32067615), (785, 25654092), (942, 21378410), (1570, 12827046), (1884, 10689205), (2355, 8551364), (3140, 6413523), (4710, 4275682), (9420, 2137841)]