7137020420

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1125713}}^1$

素因数の和:1126039

約数の個数: 24

約数和(自身を含む): 15035036184

約数和(自身を除く): 7898015764

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 1125713, 2251426, 4502852, 5628565, 11257130, 22514260, 356851021, 713702042, 1427404084, 1784255105, 3568510210, 7137020420]

約数ペア:

[(1, 7137020420), (2, 3568510210), (4, 1784255105), (5, 1427404084), (10, 713702042), (20, 356851021), (317, 22514260), (634, 11257130), (1268, 5628565), (1585, 4502852), (3170, 2251426), (6340, 1125713)]