20546260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3413}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 50472576

約数和(自身を除く): 29926316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3413, 6020, 6826, 13652, 17065, 23891, 34130, 47782, 68260, 95564, 119455, 146759, 238910, 293518, 477820, 587036, 733795, 1027313, 1467590, 2054626, 2935180, 4109252, 5136565, 10273130, 20546260]

約数ペア:

[(1, 20546260), (2, 10273130), (4, 5136565), (5, 4109252), (7, 2935180), (10, 2054626), (14, 1467590), (20, 1027313), (28, 733795), (35, 587036), (43, 477820), (70, 293518), (86, 238910), (140, 146759), (172, 119455), (215, 95564), (301, 68260), (430, 47782), (602, 34130), (860, 23891), (1204, 17065), (1505, 13652), (3010, 6826), (3413, 6020)]