20147478380

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1\times {\mathrm{9749}}^1$

素因数の和:10490

約数の個数: 48

約数和(自身を含む): 42614208000

約数和(自身を除く): 22466729620

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 541, 764, 955, 1082, 1910, 2164, 2705, 3820, 5410, 9749, 10820, 19498, 38996, 48745, 97490, 103331, 194980, 206662, 413324, 516655, 1033310, 1862059, 2066620, 3724118, 5274209, 7448236, 9310295, 10548418, 18620590, 21096836, 26371045, 37241180, 52742090, 105484180, 1007373919, 2014747838, 4029495676, 5036869595, 10073739190, 20147478380]

約数ペア:

[(1, 20147478380), (2, 10073739190), (4, 5036869595), (5, 4029495676), (10, 2014747838), (20, 1007373919), (191, 105484180), (382, 52742090), (541, 37241180), (764, 26371045), (955, 21096836), (1082, 18620590), (1910, 10548418), (2164, 9310295), (2705, 7448236), (3820, 5274209), (5410, 3724118), (9749, 2066620), (10820, 1862059), (19498, 1033310), (38996, 516655), (48745, 413324), (97490, 206662), (103331, 194980)]