20934417

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2687}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 33094656

約数和(自身を除く): 12160239

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 2687, 7791, 8061, 18809, 56427, 131663, 142411, 394989, 427233, 996877, 2990631, 6978139, 20934417]

約数ペア:

[(1, 20934417), (3, 6978139), (7, 2990631), (21, 996877), (49, 427233), (53, 394989), (147, 142411), (159, 131663), (371, 56427), (1113, 18809), (2597, 8061), (2687, 7791)]