20714746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 35029008

約数和(自身を除く): 14314262

約数列:

[1, 2, 13, 26, 37, 61, 74, 122, 353, 481, 706, 793, 962, 1586, 2257, 4514, 4589, 9178, 13061, 21533, 26122, 29341, 43066, 58682, 169793, 279929, 339586, 559858, 796721, 1593442, 10357373, 20714746]

約数ペア:

[(1, 20714746), (2, 10357373), (13, 1593442), (26, 796721), (37, 559858), (61, 339586), (74, 279929), (122, 169793), (353, 58682), (481, 43066), (706, 29341), (793, 26122), (962, 21533), (1586, 13061), (2257, 9178), (4514, 4589)]