20648296

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19994264

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 293, 383, 586, 766, 1172, 1532, 2344, 3064, 6739, 8809, 13478, 17618, 26956, 35236, 53912, 70472, 112219, 224438, 448876, 897752, 2581037, 5162074, 10324148, 20648296]

約数ペア:

[(1, 20648296), (2, 10324148), (4, 5162074), (8, 2581037), (23, 897752), (46, 448876), (92, 224438), (184, 112219), (293, 70472), (383, 53912), (586, 35236), (766, 26956), (1172, 17618), (1532, 13478), (2344, 8809), (3064, 6739)]