20178390849

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{167221}}^1$

素因数の和:167345

約数の個数: 32

約数和(自身を含む): 29698627200

約数和(自身を除く): 9520236351

約数列:

[1, 3, 19, 29, 57, 73, 87, 219, 551, 1387, 1653, 2117, 4161, 6351, 40223, 120669, 167221, 501663, 3177199, 4849409, 9531597, 12207133, 14548227, 36621399, 92138771, 231935527, 276416313, 354006857, 695806581, 1062020571, 6726130283, 20178390849]

約数ペア:

[(1, 20178390849), (3, 6726130283), (19, 1062020571), (29, 695806581), (57, 354006857), (73, 276416313), (87, 231935527), (219, 92138771), (551, 36621399), (1387, 14548227), (1653, 12207133), (2117, 9531597), (4161, 4849409), (6351, 3177199), (40223, 501663), (120669, 167221)]