20995832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18353}}^1$

素因数の和:18383

約数の個数: 32

約数和(自身を含む): 46252080

約数和(自身を除く): 25256248

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18353, 36706, 73412, 146824, 201883, 238589, 403766, 477178, 807532, 954356, 1615064, 1908712, 2624479, 5248958, 10497916, 20995832]

約数ペア:

[(1, 20995832), (2, 10497916), (4, 5248958), (8, 2624479), (11, 1908712), (13, 1615064), (22, 954356), (26, 807532), (44, 477178), (52, 403766), (88, 238589), (104, 201883), (143, 146824), (286, 73412), (572, 36706), (1144, 18353)]