20449830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1123}}^1$

素因数の和:1740

約数の個数: 32

約数和(自身を含む): 49204224

約数和(自身を除く): 28754394

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 607, 1123, 1214, 1821, 2246, 3035, 3369, 3642, 5615, 6070, 6738, 9105, 11230, 16845, 18210, 33690, 681661, 1363322, 2044983, 3408305, 4089966, 6816610, 10224915, 20449830]

約数ペア:

[(1, 20449830), (2, 10224915), (3, 6816610), (5, 4089966), (6, 3408305), (10, 2044983), (15, 1363322), (30, 681661), (607, 33690), (1123, 18210), (1214, 16845), (1821, 11230), (2246, 9105), (3035, 6738), (3369, 6070), (3642, 5615)]