20364477

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1741}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 31105152

約数和(自身を除く): 10740675

約数列:

[1, 3, 7, 21, 557, 1671, 1741, 3899, 5223, 11697, 12187, 36561, 969737, 2909211, 6788159, 20364477]

約数ペア:

[(1, 20364477), (3, 6788159), (7, 2909211), (21, 969737), (557, 36561), (1671, 12187), (1741, 11697), (3899, 5223)]