20129406056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{133633}}^1$

素因数の和:134649

約数の個数: 32

約数和(自身を含む): 39769478400

約数和(自身を除く): 19640072344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 991, 1982, 3964, 7928, 18829, 37658, 75316, 133633, 150632, 267266, 534532, 1069064, 2539027, 5078054, 10156108, 20312216, 132430303, 264860606, 529721212, 1059442424, 2516175757, 5032351514, 10064703028, 20129406056]

約数ペア:

[(1, 20129406056), (2, 10064703028), (4, 5032351514), (8, 2516175757), (19, 1059442424), (38, 529721212), (76, 264860606), (152, 132430303), (991, 20312216), (1982, 10156108), (3964, 5078054), (7928, 2539027), (18829, 1069064), (37658, 534532), (75316, 267266), (133633, 150632)]