16278301220

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{665507}}^1$

素因数の和:666739

約数の個数: 24

約数和(自身を含む): 34212435264

約数和(自身を除く): 17934134044

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 6115, 12230, 24460, 665507, 1331014, 2662028, 3327535, 6655070, 13310140, 813915061, 1627830122, 3255660244, 4069575305, 8139150610, 16278301220]

約数ペア:

[(1, 16278301220), (2, 8139150610), (4, 4069575305), (5, 3255660244), (10, 1627830122), (20, 813915061), (1223, 13310140), (2446, 6655070), (4892, 3327535), (6115, 2662028), (12230, 1331014), (24460, 665507)]