20293665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11369}}^1$

素因数の和:11401

約数の個数: 32

約数和(自身を含む): 39294720

約数和(自身を除く): 19001055

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11369, 34107, 56845, 79583, 170535, 193273, 238749, 397915, 579819, 966365, 1193745, 1352911, 2899095, 4058733, 6764555, 20293665]

約数ペア:

[(1, 20293665), (3, 6764555), (5, 4058733), (7, 2899095), (15, 1352911), (17, 1193745), (21, 966365), (35, 579819), (51, 397915), (85, 238749), (105, 193273), (119, 170535), (255, 79583), (357, 56845), (595, 34107), (1785, 11369)]