20492070028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{470131}}^1$

素因数の和:470793

約数の個数: 24

約数和(自身を含む): 38029917744

約数和(自身を除く): 17537847716

約数列:

[1, 2, 4, 17, 34, 68, 641, 1282, 2564, 10897, 21794, 43588, 470131, 940262, 1880524, 7992227, 15984454, 31968908, 301353971, 602707942, 1205415884, 5123017507, 10246035014, 20492070028]

約数ペア:

[(1, 20492070028), (2, 10246035014), (4, 5123017507), (17, 1205415884), (34, 602707942), (68, 301353971), (641, 31968908), (1282, 15984454), (2564, 7992227), (10897, 1880524), (21794, 940262), (43588, 470131)]