16860580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 38937024

約数和(自身を除く): 22076444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 443, 692, 865, 886, 1730, 1772, 1903, 2215, 3460, 3806, 4430, 4873, 7612, 8860, 9515, 9746, 19030, 19492, 24365, 38060, 48730, 76639, 97460, 153278, 306556, 383195, 766390, 843029, 1532780, 1686058, 3372116, 4215145, 8430290, 16860580]

約数ペア:

[(1, 16860580), (2, 8430290), (4, 4215145), (5, 3372116), (10, 1686058), (11, 1532780), (20, 843029), (22, 766390), (44, 383195), (55, 306556), (110, 153278), (173, 97460), (220, 76639), (346, 48730), (443, 38060), (692, 24365), (865, 19492), (886, 19030), (1730, 9746), (1772, 9515), (1903, 8860), (2215, 7612), (3460, 4873), (3806, 4430)]