20490824

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18427}}^1$

素因数の和:18572

約数の個数: 16

約数和(自身を含む): 38698800

約数和(自身を除く): 18207976

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18427, 36854, 73708, 147416, 2561353, 5122706, 10245412, 20490824]

約数ペア:

[(1, 20490824), (2, 10245412), (4, 5122706), (8, 2561353), (139, 147416), (278, 73708), (556, 36854), (1112, 18427)]