20643174

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1706

約数の個数: 40

約数和(自身を含む): 46870560

約数和(自身を除く): 26227386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1613, 2133, 3226, 4266, 4839, 6399, 9678, 12798, 14517, 29034, 43551, 87102, 127427, 130653, 254854, 261306, 382281, 764562, 1146843, 2293686, 3440529, 6881058, 10321587, 20643174]

約数ペア:

[(1, 20643174), (2, 10321587), (3, 6881058), (6, 3440529), (9, 2293686), (18, 1146843), (27, 764562), (54, 382281), (79, 261306), (81, 254854), (158, 130653), (162, 127427), (237, 87102), (474, 43551), (711, 29034), (1422, 14517), (1613, 12798), (2133, 9678), (3226, 6399), (4266, 4839)]