20408735812

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{2879}}^1\times {\mathrm{22433}}^1$

素因数の和:25395

約数の個数: 24

約数和(自身を含む): 36181555200

約数和(自身を除く): 15772819388

約数列:

[1, 2, 4, 79, 158, 316, 2879, 5758, 11516, 22433, 44866, 89732, 227441, 454882, 909764, 1772207, 3544414, 7088828, 64584607, 129169214, 258338428, 5102183953, 10204367906, 20408735812]

約数ペア:

[(1, 20408735812), (2, 10204367906), (4, 5102183953), (79, 258338428), (158, 129169214), (316, 64584607), (2879, 7088828), (5758, 3544414), (11516, 1772207), (22433, 909764), (44866, 454882), (89732, 227441)]