20398197

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{433}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 27998208

約数和(自身を除く): 7600011

約数列:

[1, 3, 41, 123, 383, 433, 1149, 1299, 15703, 17753, 47109, 53259, 165839, 497517, 6799399, 20398197]

約数ペア:

[(1, 20398197), (3, 6799399), (41, 497517), (123, 165839), (383, 53259), (433, 47109), (1149, 17753), (1299, 15703)]