20161971344

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4791343}}^1$

素因数の和:4791614

約数の個数: 20

約数和(自身を含む): 39212359296

約数和(自身を除く): 19050387952

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4791343, 9582686, 19165372, 38330744, 76661488, 1260123209, 2520246418, 5040492836, 10080985672, 20161971344]

約数ペア:

[(1, 20161971344), (2, 10080985672), (4, 5040492836), (8, 2520246418), (16, 1260123209), (263, 76661488), (526, 38330744), (1052, 19165372), (2104, 9582686), (4208, 4791343)]