20498075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 27862800

約数和(自身を除く): 7364725

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 1069, 1475, 3835, 5345, 13897, 19175, 26725, 63071, 69485, 315355, 347425, 819923, 1576775, 4099615, 20498075]

約数ペア:

[(1, 20498075), (5, 4099615), (13, 1576775), (25, 819923), (59, 347425), (65, 315355), (295, 69485), (325, 63071), (767, 26725), (1069, 19175), (1475, 13897), (3835, 5345)]