20396243

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1822

約数の個数: 16

約数和(自身を含む): 24940224

約数和(自身を除く): 4543981

約数列:

[1, 7, 17, 101, 119, 707, 1697, 1717, 11879, 12019, 28849, 171397, 201943, 1199779, 2913749, 20396243]

約数ペア:

[(1, 20396243), (7, 2913749), (17, 1199779), (101, 201943), (119, 171397), (707, 28849), (1697, 12019), (1717, 11879)]