20965300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6808

約数の個数: 36

約数和(自身を含む): 46969216

約数和(自身を除く): 26003916

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6763, 13526, 27052, 33815, 67630, 135260, 169075, 209653, 338150, 419306, 676300, 838612, 1048265, 2096530, 4193060, 5241325, 10482650, 20965300]

約数ペア:

[(1, 20965300), (2, 10482650), (4, 5241325), (5, 4193060), (10, 2096530), (20, 1048265), (25, 838612), (31, 676300), (50, 419306), (62, 338150), (100, 209653), (124, 169075), (155, 135260), (310, 67630), (620, 33815), (775, 27052), (1550, 13526), (3100, 6763)]