20253105

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2198

約数の個数: 32

約数和(自身を含む): 36529920

約数和(自身を除く): 16276815

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2113, 3195, 6339, 9585, 10565, 19017, 31695, 57051, 95085, 150023, 285255, 450069, 750115, 1350207, 2250345, 4050621, 6751035, 20253105]

約数ペア:

[(1, 20253105), (3, 6751035), (5, 4050621), (9, 2250345), (15, 1350207), (27, 750115), (45, 450069), (71, 285255), (135, 150023), (213, 95085), (355, 57051), (639, 31695), (1065, 19017), (1917, 10565), (2113, 9585), (3195, 6339)]