15031820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7297}}^1$

素因数の和:7409

約数の個数: 24

約数和(自身を含む): 31877664

約数和(自身を除く): 16845844

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 7297, 14594, 29188, 36485, 72970, 145940, 751591, 1503182, 3006364, 3757955, 7515910, 15031820]

約数ペア:

[(1, 15031820), (2, 7515910), (4, 3757955), (5, 3006364), (10, 1503182), (20, 751591), (103, 145940), (206, 72970), (412, 36485), (515, 29188), (1030, 14594), (2060, 7297)]