20617.0000000

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 10318560

約数和(自身を除く): 4616092

約数列:

[1, 2, 4, 59, 73, 118, 146, 236, 292, 331, 662, 1324, 4307, 8614, 17228, 19529, 24163, 39058, 48326, 78116, 96652, 1425617, 2851234, 5702468]

約数ペア:

[(1, 5702468), (2, 2851234), (4, 1425617), (59, 96652), (73, 78116), (118, 48326), (146, 39058), (236, 24163), (292, 19529), (331, 17228), (662, 8614), (1324, 4307)]