20748589

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 1830611

約数列:

[1, 19, 59, 83, 223, 1121, 1577, 4237, 4897, 13157, 18509, 93043, 249983, 351671, 1092031, 20748589]

約数ペア:

[(1, 20748589), (19, 1092031), (59, 351671), (83, 249983), (223, 93043), (1121, 18509), (1577, 13157), (4237, 4897)]