20284119

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 30351360

約数和(自身を除く): 10067241

約数列:

[1, 3, 9, 47, 79, 141, 237, 423, 607, 711, 1821, 3713, 5463, 11139, 28529, 33417, 47953, 85587, 143859, 256761, 431577, 2253791, 6761373, 20284119]

約数ペア:

[(1, 20284119), (3, 6761373), (9, 2253791), (47, 431577), (79, 256761), (141, 143859), (237, 85587), (423, 47953), (607, 33417), (711, 28529), (1821, 11139), (3713, 5463)]