20719764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44273}}^1$

素因数の和:44296

約数の個数: 36

約数和(自身を含む): 56405076

約数和(自身を除く): 35685312

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44273, 88546, 132819, 177092, 265638, 398457, 531276, 575549, 796914, 1151098, 1593828, 1726647, 2302196, 3453294, 5179941, 6906588, 10359882, 20719764]

約数ペア:

[(1, 20719764), (2, 10359882), (3, 6906588), (4, 5179941), (6, 3453294), (9, 2302196), (12, 1726647), (13, 1593828), (18, 1151098), (26, 796914), (36, 575549), (39, 531276), (52, 398457), (78, 265638), (117, 177092), (156, 132819), (234, 88546), (468, 44273)]