20856471678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55175851}}^1$

素因数の和:55175869

約数の個数: 32

約数和(自身を含む): 52968817920

約数和(自身を除く): 32112346242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55175851, 110351702, 165527553, 331055106, 386230957, 496582659, 772461914, 993165318, 1158692871, 1489747977, 2317385742, 2979495954, 3476078613, 6952157226, 10428235839, 20856471678]

約数ペア:

[(1, 20856471678), (2, 10428235839), (3, 6952157226), (6, 3476078613), (7, 2979495954), (9, 2317385742), (14, 1489747977), (18, 1158692871), (21, 993165318), (27, 772461914), (42, 496582659), (54, 386230957), (63, 331055106), (126, 165527553), (189, 110351702), (378, 55175851)]