20988122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{919}}^1$

素因数の和:1541

約数の個数: 16

約数和(自身を含む): 33230400

約数和(自身を除く): 12242278

約数列:

[1, 2, 19, 38, 601, 919, 1202, 1838, 11419, 17461, 22838, 34922, 552319, 1104638, 10494061, 20988122]

約数ペア:

[(1, 20988122), (2, 10494061), (19, 1104638), (38, 552319), (601, 34922), (919, 22838), (1202, 17461), (1838, 11419)]