2020170975

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{1873}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 3404773152

約数和(自身を除く): 1384602177

約数列:

[1, 3, 5, 15, 25, 73, 75, 197, 219, 365, 591, 985, 1095, 1825, 1873, 2955, 4925, 5475, 5619, 9365, 14381, 14775, 28095, 43143, 46825, 71905, 136729, 140475, 215715, 359525, 368981, 410187, 683645, 1078575, 1106943, 1844905, 2050935, 3418225, 5534715, 9224525, 10254675, 26935613, 27673575, 80806839, 134678065, 404034195, 673390325, 2020170975]

約数ペア:

[(1, 2020170975), (3, 673390325), (5, 404034195), (15, 134678065), (25, 80806839), (73, 27673575), (75, 26935613), (197, 10254675), (219, 9224525), (365, 5534715), (591, 3418225), (985, 2050935), (1095, 1844905), (1825, 1106943), (1873, 1078575), (2955, 683645), (4925, 410187), (5475, 368981), (5619, 359525), (9365, 215715), (14381, 140475), (14775, 136729), (28095, 71905), (43143, 46825)]