20546264

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 39774240

約数和(自身を除く): 19227976

約数列:

[1, 2, 4, 8, 61, 71, 122, 142, 244, 284, 488, 568, 593, 1186, 2372, 4331, 4744, 8662, 17324, 34648, 36173, 42103, 72346, 84206, 144692, 168412, 289384, 336824, 2568283, 5136566, 10273132, 20546264]

約数ペア:

[(1, 20546264), (2, 10273132), (4, 5136566), (8, 2568283), (61, 336824), (71, 289384), (122, 168412), (142, 144692), (244, 84206), (284, 72346), (488, 42103), (568, 36173), (593, 34648), (1186, 17324), (2372, 8662), (4331, 4744)]