20125532

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5171}}^1$

素因数の和:5321

約数の個数: 24

約数和(自身を含む): 40548480

約数和(自身を除く): 20422948

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5171, 10342, 20684, 36197, 72394, 144788, 718769, 1437538, 2875076, 5031383, 10062766, 20125532]

約数ペア:

[(1, 20125532), (2, 10062766), (4, 5031383), (7, 2875076), (14, 1437538), (28, 718769), (139, 144788), (278, 72394), (556, 36197), (973, 20684), (1946, 10342), (3892, 5171)]