20591266

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1663}}^1$

素因数の和:1857

約数の個数: 16

約数和(自身を含む): 31868928

約数和(自身を除く): 11277662

約数列:

[1, 2, 41, 82, 151, 302, 1663, 3326, 6191, 12382, 68183, 136366, 251113, 502226, 10295633, 20591266]

約数ペア:

[(1, 20591266), (2, 10295633), (41, 502226), (82, 251113), (151, 136366), (302, 68183), (1663, 12382), (3326, 6191)]