20128465441

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{18493}}^1$

素因数の和:18833

約数の個数: 24

約数和(自身を含む): 23760721320

約数和(自身を除く): 3632255879

約数列:

[1, 7, 49, 97, 229, 679, 1603, 4753, 11221, 18493, 22213, 129451, 155491, 906157, 1088437, 1793821, 4234897, 12556747, 29644279, 87897229, 207509953, 410785009, 2875495063, 20128465441]

約数ペア:

[(1, 20128465441), (7, 2875495063), (49, 410785009), (97, 207509953), (229, 87897229), (679, 29644279), (1603, 12556747), (4753, 4234897), (11221, 1793821), (18493, 1088437), (22213, 906157), (129451, 155491)]