20876072

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3299}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 45144000

約数和(自身を除く): 24267928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 3299, 6328, 6598, 13196, 23093, 26392, 46186, 92372, 184744, 372787, 745574, 1491148, 2609509, 2982296, 5219018, 10438036, 20876072]

約数ペア:

[(1, 20876072), (2, 10438036), (4, 5219018), (7, 2982296), (8, 2609509), (14, 1491148), (28, 745574), (56, 372787), (113, 184744), (226, 92372), (452, 46186), (791, 26392), (904, 23093), (1582, 13196), (3164, 6598), (3299, 6328)]