20196828

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5147}}^1$

素因数の和:5266

約数の個数: 36

約数和(自身を含む): 51531480

約数和(自身を除く): 31334652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5147, 10294, 15441, 20588, 30882, 46323, 61764, 92646, 185292, 561023, 1122046, 1683069, 2244092, 3366138, 5049207, 6732276, 10098414, 20196828]

約数ペア:

[(1, 20196828), (2, 10098414), (3, 6732276), (4, 5049207), (6, 3366138), (9, 2244092), (12, 1683069), (18, 1122046), (36, 561023), (109, 185292), (218, 92646), (327, 61764), (436, 46323), (654, 30882), (981, 20588), (1308, 15441), (1962, 10294), (3924, 5147)]