20258536

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 39501000

約数和(自身を除く): 19242464

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 296, 356, 712, 769, 1538, 3076, 3293, 6152, 6586, 13172, 26344, 28453, 56906, 68441, 113812, 136882, 227624, 273764, 547528, 2532317, 5064634, 10129268, 20258536]

約数ペア:

[(1, 20258536), (2, 10129268), (4, 5064634), (8, 2532317), (37, 547528), (74, 273764), (89, 227624), (148, 136882), (178, 113812), (296, 68441), (356, 56906), (712, 28453), (769, 26344), (1538, 13172), (3076, 6586), (3293, 6152)]