20123215340

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1473149}}^1$

素因数の和:1473841

約数の個数: 24

約数和(自身を含む): 42320653200

約数和(自身を除く): 22197437860

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2732, 3415, 6830, 13660, 1473149, 2946298, 5892596, 7365745, 14731490, 29462980, 1006160767, 2012321534, 4024643068, 5030803835, 10061607670, 20123215340]

約数ペア:

[(1, 20123215340), (2, 10061607670), (4, 5030803835), (5, 4024643068), (10, 2012321534), (20, 1006160767), (683, 29462980), (1366, 14731490), (2732, 7365745), (3415, 5892596), (6830, 2946298), (13660, 1473149)]