20676828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 51770880

約数和(自身を除く): 31094052

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 79, 102, 158, 204, 237, 316, 474, 948, 1283, 1343, 2566, 2686, 3849, 4029, 5132, 5372, 7698, 8058, 15396, 16116, 21811, 43622, 65433, 87244, 101357, 130866, 202714, 261732, 304071, 405428, 608142, 1216284, 1723069, 3446138, 5169207, 6892276, 10338414, 20676828]

約数ペア:

[(1, 20676828), (2, 10338414), (3, 6892276), (4, 5169207), (6, 3446138), (12, 1723069), (17, 1216284), (34, 608142), (51, 405428), (68, 304071), (79, 261732), (102, 202714), (158, 130866), (204, 101357), (237, 87244), (316, 65433), (474, 43622), (948, 21811), (1283, 16116), (1343, 15396), (2566, 8058), (2686, 7698), (3849, 5372), (4029, 5132)]