20221788

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 48545280

約数和(自身を除く): 28323492

約数列:

[1, 2, 3, 4, 6, 12, 79, 83, 158, 166, 237, 249, 257, 316, 332, 474, 498, 514, 771, 948, 996, 1028, 1542, 3084, 6557, 13114, 19671, 20303, 21331, 26228, 39342, 40606, 42662, 60909, 63993, 78684, 81212, 85324, 121818, 127986, 243636, 255972, 1685149, 3370298, 5055447, 6740596, 10110894, 20221788]

約数ペア:

[(1, 20221788), (2, 10110894), (3, 6740596), (4, 5055447), (6, 3370298), (12, 1685149), (79, 255972), (83, 243636), (158, 127986), (166, 121818), (237, 85324), (249, 81212), (257, 78684), (316, 63993), (332, 60909), (474, 42662), (498, 40606), (514, 39342), (771, 26228), (948, 21331), (996, 20303), (1028, 19671), (1542, 13114), (3084, 6557)]