20465090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5669}}^1$

素因数の和:5714

約数の個数: 24

約数和(自身を含む): 38884860

約数和(自身を除く): 18419770

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5669, 11338, 28345, 56690, 107711, 215422, 538555, 1077110, 2046509, 4093018, 10232545, 20465090]

約数ペア:

[(1, 20465090), (2, 10232545), (5, 4093018), (10, 2046509), (19, 1077110), (38, 538555), (95, 215422), (190, 107711), (361, 56690), (722, 28345), (1805, 11338), (3610, 5669)]