20559285

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2273}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 37111680

約数和(自身を除く): 16552395

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 2273, 3015, 6819, 9045, 11365, 20457, 34095, 61371, 102285, 152291, 306855, 456873, 761455, 1370619, 2284365, 4111857, 6853095, 20559285]

約数ペア:

[(1, 20559285), (3, 6853095), (5, 4111857), (9, 2284365), (15, 1370619), (27, 761455), (45, 456873), (67, 306855), (135, 152291), (201, 102285), (335, 61371), (603, 34095), (1005, 20457), (1809, 11365), (2273, 9045), (3015, 6819)]