19902835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5711}}^1$

素因数の和:5774

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 6006797

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5711, 28555, 97087, 234151, 485435, 1170755, 3980567, 19902835]

約数ペア:

[(1, 19902835), (5, 3980567), (17, 1170755), (41, 485435), (85, 234151), (205, 97087), (697, 28555), (3485, 5711)]