20657886

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{33427}}^1$

素因数の和:33535

約数の個数: 16

約数和(自身を含む): 41718144

約数和(自身を除く): 21060258

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 33427, 66854, 100281, 200562, 3442981, 6885962, 10328943, 20657886]

約数ペア:

[(1, 20657886), (2, 10328943), (3, 6885962), (6, 3442981), (103, 200562), (206, 100281), (309, 66854), (618, 33427)]