20127222

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15749}}^1$

素因数の和:15828

約数の個数: 24

約数和(自身を含む): 44226000

約数和(自身を除く): 24098778

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15749, 31498, 47247, 94494, 141741, 283482, 1118179, 2236358, 3354537, 6709074, 10063611, 20127222]

約数ペア:

[(1, 20127222), (2, 10063611), (3, 6709074), (6, 3354537), (9, 2236358), (18, 1118179), (71, 283482), (142, 141741), (213, 94494), (426, 47247), (639, 31498), (1278, 15749)]