20199654544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{857}}^1\times {\mathrm{34259}}^1$

素因数の和:35167

約数の個数: 40

約数和(自身を含む): 40094889120

約数和(自身を除く): 19895234576

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 857, 1714, 3428, 6856, 13712, 34259, 36851, 68518, 73702, 137036, 147404, 274072, 294808, 548144, 589616, 1473137, 2946274, 5892548, 11785096, 23570192, 29359963, 58719926, 117439852, 234879704, 469759408, 1262478409, 2524956818, 5049913636, 10099827272, 20199654544]

約数ペア:

[(1, 20199654544), (2, 10099827272), (4, 5049913636), (8, 2524956818), (16, 1262478409), (43, 469759408), (86, 234879704), (172, 117439852), (344, 58719926), (688, 29359963), (857, 23570192), (1714, 11785096), (3428, 5892548), (6856, 2946274), (13712, 1473137), (34259, 589616), (36851, 548144), (68518, 294808), (73702, 274072), (137036, 147404)]