20151590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1583}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18624730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1583, 2546, 3166, 6365, 7915, 12730, 15830, 30077, 60154, 106061, 150385, 212122, 300770, 530305, 1060610, 2015159, 4030318, 10075795, 20151590]

約数ペア:

[(1, 20151590), (2, 10075795), (5, 4030318), (10, 2015159), (19, 1060610), (38, 530305), (67, 300770), (95, 212122), (134, 150385), (190, 106061), (335, 60154), (670, 30077), (1273, 15830), (1583, 12730), (2546, 7915), (3166, 6365)]