20898974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1193}}^1$

素因数の和:1675

約数の個数: 16

約数和(自身を含む): 33097680

約数和(自身を除く): 12198706

約数列:

[1, 2, 19, 38, 461, 922, 1193, 2386, 8759, 17518, 22667, 45334, 549973, 1099946, 10449487, 20898974]

約数ペア:

[(1, 20898974), (2, 10449487), (19, 1099946), (38, 549973), (461, 45334), (922, 22667), (1193, 17518), (2386, 8759)]