20888927964

素因数分解:

$2^2\times 3^2\times {\mathrm{1993}}^1\times {\mathrm{291143}}^1$

素因数の和:293146

約数の個数: 36

約数和(自身を含む): 52829243376

約数和(自身を除く): 31940315412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1993, 3986, 5979, 7972, 11958, 17937, 23916, 35874, 71748, 291143, 582286, 873429, 1164572, 1746858, 2620287, 3493716, 5240574, 10481148, 580247999, 1160495998, 1740743997, 2320991996, 3481487994, 5222231991, 6962975988, 10444463982, 20888927964]

約数ペア:

[(1, 20888927964), (2, 10444463982), (3, 6962975988), (4, 5222231991), (6, 3481487994), (9, 2320991996), (12, 1740743997), (18, 1160495998), (36, 580247999), (1993, 10481148), (3986, 5240574), (5979, 3493716), (7972, 2620287), (11958, 1746858), (17937, 1164572), (23916, 873429), (35874, 582286), (71748, 291143)]