20342646

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 45497088

約数和(自身を除く): 25154442

約数列:

[1, 2, 3, 6, 9, 18, 61, 97, 122, 183, 191, 194, 291, 366, 382, 549, 573, 582, 873, 1098, 1146, 1719, 1746, 3438, 5917, 11651, 11834, 17751, 18527, 23302, 34953, 35502, 37054, 53253, 55581, 69906, 104859, 106506, 111162, 166743, 209718, 333486, 1130147, 2260294, 3390441, 6780882, 10171323, 20342646]

約数ペア:

[(1, 20342646), (2, 10171323), (3, 6780882), (6, 3390441), (9, 2260294), (18, 1130147), (61, 333486), (97, 209718), (122, 166743), (183, 111162), (191, 106506), (194, 104859), (291, 69906), (366, 55581), (382, 53253), (549, 37054), (573, 35502), (582, 34953), (873, 23302), (1098, 18527), (1146, 17751), (1719, 11834), (1746, 11651), (3438, 5917)]