31397020

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1597}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 66042144

約数和(自身を除く): 34645124

約数列:

[1, 2, 4, 5, 10, 20, 983, 1597, 1966, 3194, 3932, 4915, 6388, 7985, 9830, 15970, 19660, 31940, 1569851, 3139702, 6279404, 7849255, 15698510, 31397020]

約数ペア:

[(1, 31397020), (2, 15698510), (4, 7849255), (5, 6279404), (10, 3139702), (20, 1569851), (983, 31940), (1597, 19660), (1966, 15970), (3194, 9830), (3932, 7985), (4915, 6388)]