20641192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18043}}^1$

素因数の和:18073

約数の個数: 32

約数和(自身を含む): 45470880

約数和(自身を除く): 24829688

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18043, 36086, 72172, 144344, 198473, 234559, 396946, 469118, 793892, 938236, 1587784, 1876472, 2580149, 5160298, 10320596, 20641192]

約数ペア:

[(1, 20641192), (2, 10320596), (4, 5160298), (8, 2580149), (11, 1876472), (13, 1587784), (22, 938236), (26, 793892), (44, 469118), (52, 396946), (88, 234559), (104, 198473), (143, 144344), (286, 72172), (572, 36086), (1144, 18043)]