20059690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 21360470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 563, 1018, 1126, 2545, 2815, 3563, 3941, 5090, 5630, 7126, 7882, 17815, 19705, 35630, 39410, 286567, 573134, 1432835, 2005969, 2865670, 4011938, 10029845, 20059690]

約数ペア:

[(1, 20059690), (2, 10029845), (5, 4011938), (7, 2865670), (10, 2005969), (14, 1432835), (35, 573134), (70, 286567), (509, 39410), (563, 35630), (1018, 19705), (1126, 17815), (2545, 7882), (2815, 7126), (3563, 5630), (3941, 5090)]