20348730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{727}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 53149824

約数和(自身を除く): 32801094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 727, 933, 1454, 1555, 1866, 2181, 2799, 3110, 3635, 4362, 4665, 5598, 6543, 7270, 9330, 10905, 13086, 13995, 21810, 27990, 32715, 65430, 226097, 452194, 678291, 1130485, 1356582, 2034873, 2260970, 3391455, 4069746, 6782910, 10174365, 20348730]

約数ペア:

[(1, 20348730), (2, 10174365), (3, 6782910), (5, 4069746), (6, 3391455), (9, 2260970), (10, 2034873), (15, 1356582), (18, 1130485), (30, 678291), (45, 452194), (90, 226097), (311, 65430), (622, 32715), (727, 27990), (933, 21810), (1454, 13995), (1555, 13086), (1866, 10905), (2181, 9330), (2799, 7270), (3110, 6543), (3635, 5598), (4362, 4665)]