20123430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{670781}}^1$

素因数の和:670791

約数の個数: 16

約数和(自身を含む): 48296304

約数和(自身を除く): 28172874

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 670781, 1341562, 2012343, 3353905, 4024686, 6707810, 10061715, 20123430]

約数ペア:

[(1, 20123430), (2, 10061715), (3, 6707810), (5, 4024686), (6, 3353905), (10, 2012343), (15, 1341562), (30, 670781)]