20509969204

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{87103}}^1$

素因数の和:87224

約数の個数: 36

約数和(自身を含む): 37747041024

約数和(自身を除く): 17237071820

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 1369, 1591, 2738, 3182, 5476, 6364, 58867, 87103, 117734, 174206, 235468, 348412, 3222811, 3745429, 6445622, 7490858, 12891244, 14981716, 119244007, 138580873, 238488014, 277161746, 476976028, 554323492, 5127492301, 10254984602, 20509969204]

約数ペア:

[(1, 20509969204), (2, 10254984602), (4, 5127492301), (37, 554323492), (43, 476976028), (74, 277161746), (86, 238488014), (148, 138580873), (172, 119244007), (1369, 14981716), (1591, 12891244), (2738, 7490858), (3182, 6445622), (5476, 3745429), (6364, 3222811), (58867, 348412), (87103, 235468), (117734, 174206)]