20745228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35281}}^1$

素因数の和:35302

約数の個数: 36

約数和(自身を含む): 56310072

約数和(自身を除く): 35564844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35281, 70562, 105843, 141124, 211686, 246967, 423372, 493934, 740901, 987868, 1481802, 1728769, 2963604, 3457538, 5186307, 6915076, 10372614, 20745228]

約数ペア:

[(1, 20745228), (2, 10372614), (3, 6915076), (4, 5186307), (6, 3457538), (7, 2963604), (12, 1728769), (14, 1481802), (21, 987868), (28, 740901), (42, 493934), (49, 423372), (84, 246967), (98, 211686), (147, 141124), (196, 105843), (294, 70562), (588, 35281)]