20468420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146203}}^1$

素因数の和:146219

約数の個数: 24

約数和(自身を含む): 49124544

約数和(自身を除く): 28656124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146203, 292406, 584812, 731015, 1023421, 1462030, 2046842, 2924060, 4093684, 5117105, 10234210, 20468420]

約数ペア:

[(1, 20468420), (2, 10234210), (4, 5117105), (5, 4093684), (7, 2924060), (10, 2046842), (14, 1462030), (20, 1023421), (28, 731015), (35, 584812), (70, 292406), (140, 146203)]