20450289

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 30065472

約数和(自身を除く): 9615183

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 821, 1083, 1311, 2463, 8303, 15599, 18883, 24909, 46797, 56649, 296381, 358777, 889143, 1076331, 6816763, 20450289]

約数ペア:

[(1, 20450289), (3, 6816763), (19, 1076331), (23, 889143), (57, 358777), (69, 296381), (361, 56649), (437, 46797), (821, 24909), (1083, 18883), (1311, 15599), (2463, 8303)]