20545532

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 43663872

約数和(自身を除く): 23118340

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 523, 644, 854, 1046, 1403, 1708, 2092, 2806, 3661, 5612, 7322, 9821, 12029, 14644, 19642, 24058, 31903, 39284, 48116, 63806, 84203, 127612, 168406, 223321, 336812, 446642, 733769, 893284, 1467538, 2935076, 5136383, 10272766, 20545532]

約数ペア:

[(1, 20545532), (2, 10272766), (4, 5136383), (7, 2935076), (14, 1467538), (23, 893284), (28, 733769), (46, 446642), (61, 336812), (92, 223321), (122, 168406), (161, 127612), (244, 84203), (322, 63806), (427, 48116), (523, 39284), (644, 31903), (854, 24058), (1046, 19642), (1403, 14644), (1708, 12029), (2092, 9821), (2806, 7322), (3661, 5612)]