20803875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 35830080

約数和(自身を除く): 15026205

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 1913, 2175, 3625, 5739, 9565, 10875, 28695, 47825, 55477, 143475, 166431, 239125, 277385, 717375, 832155, 1386925, 4160775, 6934625, 20803875]

約数ペア:

[(1, 20803875), (3, 6934625), (5, 4160775), (15, 1386925), (25, 832155), (29, 717375), (75, 277385), (87, 239125), (125, 166431), (145, 143475), (375, 55477), (435, 47825), (725, 28695), (1913, 10875), (2175, 9565), (3625, 5739)]