20231553860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{321851}}^1$

素因数の和:322316

約数の個数: 48

約数和(自身を含む): 48664022400

約数和(自身を除く): 28432468540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4490, 6286, 8980, 12572, 15715, 31430, 62860, 321851, 643702, 1287404, 1609255, 2252957, 3218510, 4505914, 6437020, 9011828, 11264785, 22529570, 45059140, 144511099, 289022198, 578044396, 722555495, 1011577693, 1445110990, 2023155386, 2890221980, 4046310772, 5057888465, 10115776930, 20231553860]

約数ペア:

[(1, 20231553860), (2, 10115776930), (4, 5057888465), (5, 4046310772), (7, 2890221980), (10, 2023155386), (14, 1445110990), (20, 1011577693), (28, 722555495), (35, 578044396), (70, 289022198), (140, 144511099), (449, 45059140), (898, 22529570), (1796, 11264785), (2245, 9011828), (3143, 6437020), (4490, 4505914), (6286, 3218510), (8980, 2252957), (12572, 1609255), (15715, 1287404), (31430, 643702), (62860, 321851)]