20347125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14696715

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 1871, 2175, 3625, 5613, 9355, 10875, 28065, 46775, 54259, 140325, 162777, 233875, 271295, 701625, 813885, 1356475, 4069425, 6782375, 20347125]

約数ペア:

[(1, 20347125), (3, 6782375), (5, 4069425), (15, 1356475), (25, 813885), (29, 701625), (75, 271295), (87, 233875), (125, 162777), (145, 140325), (375, 54259), (435, 46775), (725, 28065), (1871, 10875), (2175, 9355), (3625, 5613)]