20098610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23446990

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 47, 70, 82, 94, 149, 205, 235, 287, 298, 329, 410, 470, 574, 658, 745, 1043, 1435, 1490, 1645, 1927, 2086, 2870, 3290, 3854, 5215, 6109, 7003, 9635, 10430, 12218, 13489, 14006, 19270, 26978, 30545, 35015, 42763, 49021, 61090, 67445, 70030, 85526, 98042, 134890, 213815, 245105, 287123, 427630, 490210, 574246, 1435615, 2009861, 2871230, 4019722, 10049305, 20098610]

約数ペア:

[(1, 20098610), (2, 10049305), (5, 4019722), (7, 2871230), (10, 2009861), (14, 1435615), (35, 574246), (41, 490210), (47, 427630), (70, 287123), (82, 245105), (94, 213815), (149, 134890), (205, 98042), (235, 85526), (287, 70030), (298, 67445), (329, 61090), (410, 49021), (470, 42763), (574, 35015), (658, 30545), (745, 26978), (1043, 19270), (1435, 14006), (1490, 13489), (1645, 12218), (1927, 10430), (2086, 9635), (2870, 7003), (3290, 6109), (3854, 5215)]