20885446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7529}}^1$

素因数の和:7623

約数の個数: 16

約数和(自身を含む): 33433200

約数和(自身を除く): 12547754

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7529, 15058, 143051, 286102, 549617, 1099234, 10442723, 20885446]

約数ペア:

[(1, 20885446), (2, 10442723), (19, 1099234), (38, 549617), (73, 286102), (146, 143051), (1387, 15058), (2774, 7529)]