20880451580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1\times {\mathrm{4831}}^1$

素因数の和:6134

約数の個数: 48

約数和(自身を含む): 44120837376

約数和(自身を除く): 23240385796

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1097, 1970, 2194, 3940, 4388, 4831, 5485, 9662, 10970, 19324, 21940, 24155, 48310, 96620, 216109, 432218, 864436, 951707, 1080545, 1903414, 2161090, 3806828, 4322180, 4758535, 5299607, 9517070, 10599214, 19034140, 21198428, 26498035, 52996070, 105992140, 1044022579, 2088045158, 4176090316, 5220112895, 10440225790, 20880451580]

約数ペア:

[(1, 20880451580), (2, 10440225790), (4, 5220112895), (5, 4176090316), (10, 2088045158), (20, 1044022579), (197, 105992140), (394, 52996070), (788, 26498035), (985, 21198428), (1097, 19034140), (1970, 10599214), (2194, 9517070), (3940, 5299607), (4388, 4758535), (4831, 4322180), (5485, 3806828), (9662, 2161090), (10970, 1903414), (19324, 1080545), (21940, 951707), (24155, 864436), (48310, 432218), (96620, 216109)]