20304801

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 32145984

約数和(自身を除く): 11841183

約数列:

[1, 3, 9, 11, 33, 99, 317, 647, 951, 1941, 2853, 3487, 5823, 7117, 10461, 21351, 31383, 64053, 205099, 615297, 1845891, 2256089, 6768267, 20304801]

約数ペア:

[(1, 20304801), (3, 6768267), (9, 2256089), (11, 1845891), (33, 615297), (99, 205099), (317, 64053), (647, 31383), (951, 21351), (1941, 10461), (2853, 7117), (3487, 5823)]