204815540

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{13457}}^1$

素因数の和:14227

約数の個数: 24

約数和(自身を含む): 430709832

約数和(自身を除く): 225894292

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 13457, 15220, 26914, 53828, 67285, 134570, 269140, 10240777, 20481554, 40963108, 51203885, 102407770, 204815540]

約数ペア:

[(1, 204815540), (2, 102407770), (4, 51203885), (5, 40963108), (10, 20481554), (20, 10240777), (761, 269140), (1522, 134570), (3044, 67285), (3805, 53828), (7610, 26914), (13457, 15220)]