20653378

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2073

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11521982

約数列:

[1, 2, 31, 62, 179, 358, 1861, 3722, 5549, 11098, 57691, 115382, 333119, 666238, 10326689, 20653378]

約数ペア:

[(1, 20653378), (2, 10326689), (31, 666238), (62, 333119), (179, 115382), (358, 57691), (1861, 11098), (3722, 5549)]