20330120

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2239}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25634680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2239, 2270, 4478, 4540, 8956, 9080, 11195, 17912, 22390, 44780, 89560, 508253, 1016506, 2033012, 2541265, 4066024, 5082530, 10165060, 20330120]

約数ペア:

[(1, 20330120), (2, 10165060), (4, 5082530), (5, 4066024), (8, 2541265), (10, 2033012), (20, 1016506), (40, 508253), (227, 89560), (454, 44780), (908, 22390), (1135, 17912), (1816, 11195), (2239, 9080), (2270, 8956), (4478, 4540)]