20138091788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{41681}}^1$

素因数の和:41834

約数の個数: 36

約数和(自身を含む): 36755354328

約数和(自身を除く): 16617262540

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2809, 4558, 5618, 9116, 11236, 41681, 83362, 120787, 166724, 241574, 483148, 1792283, 2209093, 3584566, 4418186, 7169132, 8836372, 94990999, 117081929, 189981998, 234163858, 379963996, 468327716, 5034522947, 10069045894, 20138091788]

約数ペア:

[(1, 20138091788), (2, 10069045894), (4, 5034522947), (43, 468327716), (53, 379963996), (86, 234163858), (106, 189981998), (172, 117081929), (212, 94990999), (2279, 8836372), (2809, 7169132), (4558, 4418186), (5618, 3584566), (9116, 2209093), (11236, 1792283), (41681, 483148), (83362, 241574), (120787, 166724)]