20375562

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 44988480

約数和(自身を除く): 24612918

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 361, 409, 437, 722, 818, 874, 1083, 1227, 1311, 2166, 2454, 2622, 7771, 8303, 9407, 15542, 16606, 18814, 23313, 24909, 28221, 46626, 49818, 56442, 147649, 178733, 295298, 357466, 442947, 536199, 885894, 1072398, 3395927, 6791854, 10187781, 20375562]

約数ペア:

[(1, 20375562), (2, 10187781), (3, 6791854), (6, 3395927), (19, 1072398), (23, 885894), (38, 536199), (46, 442947), (57, 357466), (69, 295298), (114, 178733), (138, 147649), (361, 56442), (409, 49818), (437, 46626), (722, 28221), (818, 24909), (874, 23313), (1083, 18814), (1227, 16606), (1311, 15542), (2166, 9407), (2454, 8303), (2622, 7771)]