20746222

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1516

約数の個数: 32

約数和(自身を含む): 38301120

約数和(自身を除く): 17554898

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1429, 2074, 2858, 7259, 10003, 14518, 20006, 24293, 48586, 87169, 170051, 174338, 340102, 610183, 1220366, 1481873, 2963746, 10373111, 20746222]

約数ペア:

[(1, 20746222), (2, 10373111), (7, 2963746), (14, 1481873), (17, 1220366), (34, 610183), (61, 340102), (119, 174338), (122, 170051), (238, 87169), (427, 48586), (854, 24293), (1037, 20006), (1429, 14518), (2074, 10003), (2858, 7259)]