20037128

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 38942400

約数和(自身を除く): 18905272

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 487, 556, 974, 1112, 1948, 3896, 5143, 10286, 18019, 20572, 36038, 41144, 67693, 72076, 135386, 144152, 270772, 541544, 2504641, 5009282, 10018564, 20037128]

約数ペア:

[(1, 20037128), (2, 10018564), (4, 5009282), (8, 2504641), (37, 541544), (74, 270772), (139, 144152), (148, 135386), (278, 72076), (296, 67693), (487, 41144), (556, 36038), (974, 20572), (1112, 18019), (1948, 10286), (3896, 5143)]