20628976

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1993

約数の個数: 40

約数和(自身を含む): 43166880

約数和(自身を除く): 22537904

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1334, 1933, 2668, 3866, 5336, 7732, 10672, 15464, 30928, 44459, 56057, 88918, 112114, 177836, 224228, 355672, 448456, 711344, 896912, 1289311, 2578622, 5157244, 10314488, 20628976]

約数ペア:

[(1, 20628976), (2, 10314488), (4, 5157244), (8, 2578622), (16, 1289311), (23, 896912), (29, 711344), (46, 448456), (58, 355672), (92, 224228), (116, 177836), (184, 112114), (232, 88918), (368, 56057), (464, 44459), (667, 30928), (1334, 15464), (1933, 10672), (2668, 7732), (3866, 5336)]