20776125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3259}}^1$

素因数の和:3294

約数の個数: 32

約数和(自身を含む): 36616320

約数和(自身を除く): 15840195

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3259, 6375, 9777, 16295, 48885, 55403, 81475, 166209, 244425, 277015, 407375, 831045, 1222125, 1385075, 4155225, 6925375, 20776125]

約数ペア:

[(1, 20776125), (3, 6925375), (5, 4155225), (15, 1385075), (17, 1222125), (25, 831045), (51, 407375), (75, 277015), (85, 244425), (125, 166209), (255, 81475), (375, 55403), (425, 48885), (1275, 16295), (2125, 9777), (3259, 6375)]