20888535

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 34944192

約数和(自身を除く): 14055657

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 305, 555, 617, 915, 1851, 2257, 3085, 6771, 9255, 11285, 22829, 33855, 37637, 68487, 112911, 114145, 188185, 342435, 564555, 1392569, 4177707, 6962845, 20888535]

約数ペア:

[(1, 20888535), (3, 6962845), (5, 4177707), (15, 1392569), (37, 564555), (61, 342435), (111, 188185), (183, 114145), (185, 112911), (305, 68487), (555, 37637), (617, 33855), (915, 22829), (1851, 11285), (2257, 9255), (3085, 6771)]