20437406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8221}}^1$

素因数の和:8347

約数の個数: 16

約数和(自身を含む): 33743088

約数和(自身を除く): 13305682

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8221, 16442, 90431, 180862, 928973, 1857946, 10218703, 20437406]

約数ペア:

[(1, 20437406), (2, 10218703), (11, 1857946), (22, 928973), (113, 180862), (226, 90431), (1243, 16442), (2486, 8221)]