20004450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 49940256

約数和(自身を除く): 29935806

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 193, 386, 579, 691, 965, 1158, 1382, 1930, 2073, 2895, 3455, 4146, 4825, 5790, 6910, 9650, 10365, 14475, 17275, 20730, 28950, 34550, 51825, 103650, 133363, 266726, 400089, 666815, 800178, 1333630, 2000445, 3334075, 4000890, 6668150, 10002225, 20004450]

約数ペア:

[(1, 20004450), (2, 10002225), (3, 6668150), (5, 4000890), (6, 3334075), (10, 2000445), (15, 1333630), (25, 800178), (30, 666815), (50, 400089), (75, 266726), (150, 133363), (193, 103650), (386, 51825), (579, 34550), (691, 28950), (965, 20730), (1158, 17275), (1382, 14475), (1930, 10365), (2073, 9650), (2895, 6910), (3455, 5790), (4146, 4825)]