20874802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10163}}^1$

素因数の和:10257

約数の個数: 16

約数和(自身を含む): 34151040

約数和(自身を除く): 13276238

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 10163, 20326, 132119, 264238, 802877, 1605754, 10437401, 20874802]

約数ペア:

[(1, 20874802), (2, 10437401), (13, 1605754), (26, 802877), (79, 264238), (158, 132119), (1027, 20326), (2054, 10163)]