20160882680

素因数分解:

$2^3\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{173263}}^1$

素因数の和:176183

約数の個数: 32

約数和(自身を含む): 45377841600

約数和(自身を除く): 25216958920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2909, 5818, 11636, 14545, 23272, 29090, 58180, 116360, 173263, 346526, 693052, 866315, 1386104, 1732630, 3465260, 6930520, 504022067, 1008044134, 2016088268, 2520110335, 4032176536, 5040220670, 10080441340, 20160882680]

約数ペア:

[(1, 20160882680), (2, 10080441340), (4, 5040220670), (5, 4032176536), (8, 2520110335), (10, 2016088268), (20, 1008044134), (40, 504022067), (2909, 6930520), (5818, 3465260), (11636, 1732630), (14545, 1386104), (23272, 866315), (29090, 693052), (58180, 346526), (116360, 173263)]