20766621

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4751}}^1$

素因数の和:4832

約数の個数: 16

約数和(自身を含む): 29196288

約数和(自身を除く): 8429667

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4751, 14253, 147281, 223297, 441843, 669891, 6922207, 20766621]

約数ペア:

[(1, 20766621), (3, 6922207), (31, 669891), (47, 441843), (93, 223297), (141, 147281), (1457, 14253), (4371, 4751)]