20343775288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{261973}}^1$

素因数の和:262567

約数の個数: 32

約数和(自身を含む): 40459264560

約数和(自身を除く): 20115489272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 571, 1142, 2284, 4568, 9707, 19414, 38828, 77656, 261973, 523946, 1047892, 2095784, 4453541, 8907082, 17814164, 35628328, 149586583, 299173166, 598346332, 1196692664, 2542971911, 5085943822, 10171887644, 20343775288]

約数ペア:

[(1, 20343775288), (2, 10171887644), (4, 5085943822), (8, 2542971911), (17, 1196692664), (34, 598346332), (68, 299173166), (136, 149586583), (571, 35628328), (1142, 17814164), (2284, 8907082), (4568, 4453541), (9707, 2095784), (19414, 1047892), (38828, 523946), (77656, 261973)]