20807846722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{173263}}^1$

素因数の和:173458

約数の個数: 32

約数和(自身を含む): 34930022400

約数和(自身を除く): 14122175678

約数列:

[1, 2, 13, 26, 31, 62, 149, 298, 403, 806, 1937, 3874, 4619, 9238, 60047, 120094, 173263, 346526, 2252419, 4504838, 5371153, 10742306, 25816187, 51632374, 69824989, 139649978, 335610431, 671220862, 800301797, 1600603594, 10403923361, 20807846722]

約数ペア:

[(1, 20807846722), (2, 10403923361), (13, 1600603594), (26, 800301797), (31, 671220862), (62, 335610431), (149, 139649978), (298, 69824989), (403, 51632374), (806, 25816187), (1937, 10742306), (3874, 5371153), (4619, 4504838), (9238, 2252419), (60047, 346526), (120094, 173263)]