20020256

素因数分解:

$2^5\times {\mathrm{37}}^2\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 36

約数和(自身を含む): 40597578

約数和(自身を除く): 20577322

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 457, 592, 914, 1184, 1369, 1828, 2738, 3656, 5476, 7312, 10952, 14624, 16909, 21904, 33818, 43808, 67636, 135272, 270544, 541088, 625633, 1251266, 2502532, 5005064, 10010128, 20020256]

約数ペア:

[(1, 20020256), (2, 10010128), (4, 5005064), (8, 2502532), (16, 1251266), (32, 625633), (37, 541088), (74, 270544), (148, 135272), (296, 67636), (457, 43808), (592, 33818), (914, 21904), (1184, 16909), (1369, 14624), (1828, 10952), (2738, 7312), (3656, 5476)]