20921910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697397}}^1$

素因数の和:697407

約数の個数: 16

約数和(自身を含む): 50212656

約数和(自身を除く): 29290746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697397, 1394794, 2092191, 3486985, 4184382, 6973970, 10460955, 20921910]

約数ペア:

[(1, 20921910), (2, 10460955), (3, 6973970), (5, 4184382), (6, 3486985), (10, 2092191), (15, 1394794), (30, 697397)]