20422119

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 9230361

約数列:

[1, 3, 29, 43, 53, 87, 103, 129, 159, 309, 1247, 1537, 2279, 2987, 3741, 4429, 4611, 5459, 6837, 8961, 13287, 16377, 66091, 128441, 158311, 198273, 234737, 385323, 474933, 704211, 6807373, 20422119]

約数ペア:

[(1, 20422119), (3, 6807373), (29, 704211), (43, 474933), (53, 385323), (87, 234737), (103, 198273), (129, 158311), (159, 128441), (309, 66091), (1247, 16377), (1537, 13287), (2279, 8961), (2987, 6837), (3741, 5459), (4429, 4611)]