20684734

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 36801216

約数和(自身を除く): 16116482

約数列:

[1, 2, 7, 14, 53, 61, 106, 122, 371, 427, 457, 742, 854, 914, 3199, 3233, 6398, 6466, 22631, 24221, 27877, 45262, 48442, 55754, 169547, 195139, 339094, 390278, 1477481, 2954962, 10342367, 20684734]

約数ペア:

[(1, 20684734), (2, 10342367), (7, 2954962), (14, 1477481), (53, 390278), (61, 339094), (106, 195139), (122, 169547), (371, 55754), (427, 48442), (457, 45262), (742, 27877), (854, 24221), (914, 22631), (3199, 6466), (3233, 6398)]