20281786

素因数分解:

$2^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:958

約数の個数: 24

約数和(自身を含む): 35550900

約数和(自身を除く): 15269114

約数列:

[1, 2, 7, 14, 49, 98, 349, 593, 698, 1186, 2443, 4151, 4886, 8302, 17101, 29057, 34202, 58114, 206957, 413914, 1448699, 2897398, 10140893, 20281786]

約数ペア:

[(1, 20281786), (2, 10140893), (7, 2897398), (14, 1448699), (49, 413914), (98, 206957), (349, 58114), (593, 34202), (698, 29057), (1186, 17101), (2443, 8302), (4151, 4886)]