20891030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44449}}^1$

素因数の和:44503

約数の個数: 16

約数和(自身を含む): 38404800

約数和(自身を除く): 17513770

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44449, 88898, 222245, 444490, 2089103, 4178206, 10445515, 20891030]

約数ペア:

[(1, 20891030), (2, 10445515), (5, 4178206), (10, 2089103), (47, 444490), (94, 222245), (235, 88898), (470, 44449)]