20389038

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^2\times {\mathrm{757}}^1$

素因数の和:896

約数の個数: 24

約数和(自身を含む): 41450472

約数和(自身を除く): 21061434

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 757, 1514, 2271, 4489, 4542, 8978, 13467, 26934, 50719, 101438, 152157, 304314, 3398173, 6796346, 10194519, 20389038]

約数ペア:

[(1, 20389038), (2, 10194519), (3, 6796346), (6, 3398173), (67, 304314), (134, 152157), (201, 101438), (402, 50719), (757, 26934), (1514, 13467), (2271, 8978), (4489, 4542)]