20025411

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13152189

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1619, 1767, 4123, 4857, 11333, 12369, 30761, 33999, 50189, 92283, 150567, 215327, 351323, 645981, 953591, 1053969, 2860773, 6675137, 20025411]

約数ペア:

[(1, 20025411), (3, 6675137), (7, 2860773), (19, 1053969), (21, 953591), (31, 645981), (57, 351323), (93, 215327), (133, 150567), (217, 92283), (399, 50189), (589, 33999), (651, 30761), (1619, 12369), (1767, 11333), (4123, 4857)]