20386725

素因数分解:

$3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1187}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 33881760

約数和(自身を除く): 13495035

約数列:

[1, 3, 5, 15, 25, 75, 229, 687, 1145, 1187, 3435, 3561, 5725, 5935, 17175, 17805, 29675, 89025, 271823, 815469, 1359115, 4077345, 6795575, 20386725]

約数ペア:

[(1, 20386725), (3, 6795575), (5, 4077345), (15, 1359115), (25, 815469), (75, 271823), (229, 89025), (687, 29675), (1145, 17805), (1187, 17175), (3435, 5935), (3561, 5725)]