20886988

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 37566144

約数和(自身を除く): 16679156

約数列:

[1, 2, 4, 47, 94, 188, 241, 461, 482, 922, 964, 1844, 11327, 21667, 22654, 43334, 45308, 86668, 111101, 222202, 444404, 5221747, 10443494, 20886988]

約数ペア:

[(1, 20886988), (2, 10443494), (4, 5221747), (47, 444404), (94, 222202), (188, 111101), (241, 86668), (461, 45308), (482, 43334), (922, 22654), (964, 21667), (1844, 11327)]