2020123756

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{700459}}^1$

素因数の和:700573

約数の個数: 24

約数和(自身を含む): 4079479040

約数和(自身を除く): 2059355284

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 700459, 1400918, 2801836, 4903213, 9806426, 19612852, 72147277, 144294554, 288589108, 505030939, 1010061878, 2020123756]

約数ペア:

[(1, 2020123756), (2, 1010061878), (4, 505030939), (7, 288589108), (14, 144294554), (28, 72147277), (103, 19612852), (206, 9806426), (412, 4903213), (721, 2801836), (1442, 1400918), (2884, 700459)]