20497922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14062078

約数列:

[1, 2, 19, 23, 38, 46, 47, 94, 437, 499, 874, 893, 998, 1081, 1786, 2162, 9481, 11477, 18962, 20539, 22954, 23453, 41078, 46906, 218063, 436126, 445607, 539419, 891214, 1078838, 10248961, 20497922]

約数ペア:

[(1, 20497922), (2, 10248961), (19, 1078838), (23, 891214), (38, 539419), (46, 445607), (47, 436126), (94, 218063), (437, 46906), (499, 41078), (874, 23453), (893, 22954), (998, 20539), (1081, 18962), (1786, 11477), (2162, 9481)]