20055665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 29942784

約数和(自身を除く): 9887119

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 911, 1295, 3145, 4403, 4555, 6377, 15487, 22015, 31885, 33707, 77435, 108409, 168535, 235949, 542045, 573019, 1179745, 2865095, 4011133, 20055665]

約数ペア:

[(1, 20055665), (5, 4011133), (7, 2865095), (17, 1179745), (35, 573019), (37, 542045), (85, 235949), (119, 168535), (185, 108409), (259, 77435), (595, 33707), (629, 31885), (911, 22015), (1295, 15487), (3145, 6377), (4403, 4555)]