20579820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1511}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 37335828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 227, 454, 681, 908, 1135, 1362, 1511, 2270, 2724, 3022, 3405, 4533, 4540, 6044, 6810, 7555, 9066, 13620, 15110, 18132, 22665, 30220, 45330, 90660, 342997, 685994, 1028991, 1371988, 1714985, 2057982, 3429970, 4115964, 5144955, 6859940, 10289910, 20579820]

約数ペア:

[(1, 20579820), (2, 10289910), (3, 6859940), (4, 5144955), (5, 4115964), (6, 3429970), (10, 2057982), (12, 1714985), (15, 1371988), (20, 1028991), (30, 685994), (60, 342997), (227, 90660), (454, 45330), (681, 30220), (908, 22665), (1135, 18132), (1362, 15110), (1511, 13620), (2270, 9066), (2724, 7555), (3022, 6810), (3405, 6044), (4533, 4540)]