20213565678

素因数分解:

$2^1\times 3^2\times {\mathrm{1122975871}}^1$

素因数の和:1122975879

約数の個数: 12

約数和(自身を含む): 43796059008

約数和(自身を除く): 23582493330

約数列:

[1, 2, 3, 6, 9, 18, 1122975871, 2245951742, 3368927613, 6737855226, 10106782839, 20213565678]

約数ペア:

[(1, 20213565678), (2, 10106782839), (3, 6737855226), (6, 3368927613), (9, 2245951742), (18, 1122975871)]