20804557708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{941}}^1\times {\mathrm{10691}}^1$

素因数の和:11694

約数の個数: 48

約数和(自身を含む): 40609755648

約数和(自身を除く): 19805197940

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 941, 1034, 1882, 2068, 3764, 10351, 10691, 20702, 21382, 41404, 42764, 44227, 88454, 117601, 176908, 235202, 470404, 486497, 502477, 972994, 1004954, 1945988, 2009908, 5527247, 10060231, 11054494, 20120462, 22108988, 40240924, 110662541, 221325082, 442650164, 472830857, 945661714, 1891323428, 5201139427, 10402278854, 20804557708]

約数ペア:

[(1, 20804557708), (2, 10402278854), (4, 5201139427), (11, 1891323428), (22, 945661714), (44, 472830857), (47, 442650164), (94, 221325082), (188, 110662541), (517, 40240924), (941, 22108988), (1034, 20120462), (1882, 11054494), (2068, 10060231), (3764, 5527247), (10351, 2009908), (10691, 1945988), (20702, 1004954), (21382, 972994), (41404, 502477), (42764, 486497), (44227, 470404), (88454, 235202), (117601, 176908)]