20436525

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1566

約数の個数: 36

約数和(自身を含む): 37229140

約数和(自身を除く): 16792615

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1489, 1525, 2745, 4467, 4575, 7445, 13401, 13725, 22335, 37225, 67005, 90829, 111675, 272487, 335025, 454145, 817461, 1362435, 2270725, 4087305, 6812175, 20436525]

約数ペア:

[(1, 20436525), (3, 6812175), (5, 4087305), (9, 2270725), (15, 1362435), (25, 817461), (45, 454145), (61, 335025), (75, 272487), (183, 111675), (225, 90829), (305, 67005), (549, 37225), (915, 22335), (1489, 13725), (1525, 13401), (2745, 7445), (4467, 4575)]