20667100

素因数分解:

$2^2\times 5^2\times {\mathrm{233}}^1\times {\mathrm{887}}^1$

素因数の和:1134

約数の個数: 36

約数和(自身を含む): 45090864

約数和(自身を除く): 24423764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 233, 466, 887, 932, 1165, 1774, 2330, 3548, 4435, 4660, 5825, 8870, 11650, 17740, 22175, 23300, 44350, 88700, 206671, 413342, 826684, 1033355, 2066710, 4133420, 5166775, 10333550, 20667100]

約数ペア:

[(1, 20667100), (2, 10333550), (4, 5166775), (5, 4133420), (10, 2066710), (20, 1033355), (25, 826684), (50, 413342), (100, 206671), (233, 88700), (466, 44350), (887, 23300), (932, 22175), (1165, 17740), (1774, 11650), (2330, 8870), (3548, 5825), (4435, 4660)]