20952696

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 33536904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 257, 258, 316, 344, 474, 514, 516, 632, 771, 948, 1028, 1032, 1542, 1896, 2056, 3084, 3397, 6168, 6794, 10191, 11051, 13588, 20303, 20382, 22102, 27176, 33153, 40606, 40764, 44204, 60909, 66306, 81212, 81528, 88408, 121818, 132612, 162424, 243636, 265224, 487272, 873029, 1746058, 2619087, 3492116, 5238174, 6984232, 10476348, 20952696]

約数ペア:

[(1, 20952696), (2, 10476348), (3, 6984232), (4, 5238174), (6, 3492116), (8, 2619087), (12, 1746058), (24, 873029), (43, 487272), (79, 265224), (86, 243636), (129, 162424), (158, 132612), (172, 121818), (237, 88408), (257, 81528), (258, 81212), (316, 66306), (344, 60909), (474, 44204), (514, 40764), (516, 40606), (632, 33153), (771, 27176), (948, 22102), (1028, 20382), (1032, 20303), (1542, 13588), (1896, 11051), (2056, 10191), (3084, 6794), (3397, 6168)]