20613615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15577617

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 271, 461, 813, 1355, 1383, 2305, 2981, 4065, 5071, 6915, 8943, 14905, 15213, 25355, 44715, 76065, 124931, 374793, 624655, 1374241, 1873965, 4122723, 6871205, 20613615]

約数ペア:

[(1, 20613615), (3, 6871205), (5, 4122723), (11, 1873965), (15, 1374241), (33, 624655), (55, 374793), (165, 124931), (271, 76065), (461, 44715), (813, 25355), (1355, 15213), (1383, 14905), (2305, 8943), (2981, 6915), (4065, 5071)]