20098010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 38404800

約数和(自身を除く): 18306790

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 761, 1390, 1522, 2641, 3805, 5282, 7610, 13205, 14459, 26410, 28918, 72295, 105779, 144590, 211558, 528895, 1057790, 2009801, 4019602, 10049005, 20098010]

約数ペア:

[(1, 20098010), (2, 10049005), (5, 4019602), (10, 2009801), (19, 1057790), (38, 528895), (95, 211558), (139, 144590), (190, 105779), (278, 72295), (695, 28918), (761, 26410), (1390, 14459), (1522, 13205), (2641, 7610), (3805, 5282)]