20121038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 36883200

約数和(自身を除く): 16762162

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1129, 1273, 2258, 2546, 7903, 8911, 15806, 17822, 21451, 42902, 75643, 150157, 151286, 300314, 529501, 1059002, 1437217, 2874434, 10060519, 20121038]

約数ペア:

[(1, 20121038), (2, 10060519), (7, 2874434), (14, 1437217), (19, 1059002), (38, 529501), (67, 300314), (133, 151286), (134, 150157), (266, 75643), (469, 42902), (938, 21451), (1129, 17822), (1273, 15806), (2258, 8911), (2546, 7903)]