20120876996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{145681}}^1$

素因数の和:145812

約数の個数: 48

約数和(自身を含む): 39844609728

約数和(自身を除く): 19723732732

約数列:

[1, 2, 4, 11, 22, 43, 44, 73, 86, 146, 172, 292, 473, 803, 946, 1606, 1892, 3139, 3212, 6278, 12556, 34529, 69058, 138116, 145681, 291362, 582724, 1602491, 3204982, 6264283, 6409964, 10634713, 12528566, 21269426, 25057132, 42538852, 68907113, 116981843, 137814226, 233963686, 275628452, 457292659, 467927372, 914585318, 1829170636, 5030219249, 10060438498, 20120876996]

約数ペア:

[(1, 20120876996), (2, 10060438498), (4, 5030219249), (11, 1829170636), (22, 914585318), (43, 467927372), (44, 457292659), (73, 275628452), (86, 233963686), (146, 137814226), (172, 116981843), (292, 68907113), (473, 42538852), (803, 25057132), (946, 21269426), (1606, 12528566), (1892, 10634713), (3139, 6409964), (3212, 6264283), (6278, 3204982), (12556, 1602491), (34529, 582724), (69058, 291362), (138116, 145681)]