2021027270980

素因数分解:

$2^2\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{51061831}}^1$

素因数の和:51063819

約数の個数: 24

約数和(自身を含む): 4246301949120

約数和(自身を除く): 2225274678140

約数列:

[1, 2, 4, 5, 10, 20, 1979, 3958, 7916, 9895, 19790, 39580, 51061831, 102123662, 204247324, 255309155, 510618310, 1021236620, 101051363549, 202102727098, 404205454196, 505256817745, 1010513635490, 2021027270980]

約数ペア:

[(1, 2021027270980), (2, 1010513635490), (4, 505256817745), (5, 404205454196), (10, 202102727098), (20, 101051363549), (1979, 1021236620), (3958, 510618310), (7916, 255309155), (9895, 204247324), (19790, 102123662), (39580, 51061831)]