20512971374

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1\times {\mathrm{10691}}^1$

素因数の和:15152

約数の個数: 32

約数和(自身を含む): 36311058432

約数和(自身を除く): 15798087058

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 4421, 8842, 10691, 21382, 30947, 61894, 74837, 137051, 149674, 274102, 331421, 662842, 959357, 1918714, 2319947, 4639894, 47264911, 94529822, 330854377, 661708754, 1465212241, 2930424482, 10256485687, 20512971374]

約数ペア:

[(1, 20512971374), (2, 10256485687), (7, 2930424482), (14, 1465212241), (31, 661708754), (62, 330854377), (217, 94529822), (434, 47264911), (4421, 4639894), (8842, 2319947), (10691, 1918714), (21382, 959357), (30947, 662842), (61894, 331421), (74837, 274102), (137051, 149674)]