20004525

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1327}}^1$

素因数の和:1410

約数の個数: 36

約数和(自身を含む): 36392512

約数和(自身を除く): 16387987

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1327, 1675, 3015, 3981, 5025, 6635, 11943, 15075, 19905, 33175, 59715, 88909, 99525, 266727, 298575, 444545, 800181, 1333635, 2222725, 4000905, 6668175, 20004525]

約数ペア:

[(1, 20004525), (3, 6668175), (5, 4000905), (9, 2222725), (15, 1333635), (25, 800181), (45, 444545), (67, 298575), (75, 266727), (201, 99525), (225, 88909), (335, 59715), (603, 33175), (1005, 19905), (1327, 15075), (1675, 11943), (3015, 6635), (3981, 5025)]