20972704

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2939}}^1$

素因数の和:3172

約数の個数: 24

約数和(自身を含む): 41489280

約数和(自身を除く): 20516576

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2939, 3568, 5878, 7136, 11756, 23512, 47024, 94048, 655397, 1310794, 2621588, 5243176, 10486352, 20972704]

約数ペア:

[(1, 20972704), (2, 10486352), (4, 5243176), (8, 2621588), (16, 1310794), (32, 655397), (223, 94048), (446, 47024), (892, 23512), (1784, 11756), (2939, 7136), (3568, 5878)]