20121636395

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{45343}}^1$

素因数の和:45795

約数の個数: 32

約数和(自身を含む): 28555837440

約数和(自身を除く): 8434201045

約数列:

[1, 5, 7, 31, 35, 155, 217, 409, 1085, 2045, 2863, 12679, 14315, 45343, 63395, 88753, 226715, 317401, 443765, 1405633, 1587005, 7028165, 9839431, 18545287, 49197155, 92726435, 129817009, 574903897, 649085045, 2874519485, 4024327279, 20121636395]

約数ペア:

[(1, 20121636395), (5, 4024327279), (7, 2874519485), (31, 649085045), (35, 574903897), (155, 129817009), (217, 92726435), (409, 49197155), (1085, 18545287), (2045, 9839431), (2863, 7028165), (12679, 1587005), (14315, 1405633), (45343, 443765), (63395, 317401), (88753, 226715)]