20101986

素因数分解:

$2^1\times 3^3\times {\mathrm{191}}^1\times {\mathrm{1949}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 24826014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 191, 382, 573, 1146, 1719, 1949, 3438, 3898, 5157, 5847, 10314, 11694, 17541, 35082, 52623, 105246, 372259, 744518, 1116777, 2233554, 3350331, 6700662, 10050993, 20101986]

約数ペア:

[(1, 20101986), (2, 10050993), (3, 6700662), (6, 3350331), (9, 2233554), (18, 1116777), (27, 744518), (54, 372259), (191, 105246), (382, 52623), (573, 35082), (1146, 17541), (1719, 11694), (1949, 10314), (3438, 5847), (3898, 5157)]