20029648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 41872320

約数和(自身を除く): 21842672

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1607, 3116, 3214, 6232, 6428, 12464, 12856, 25712, 30533, 61066, 65887, 122132, 131774, 244264, 263548, 488528, 527096, 1054192, 1251853, 2503706, 5007412, 10014824, 20029648]

約数ペア:

[(1, 20029648), (2, 10014824), (4, 5007412), (8, 2503706), (16, 1251853), (19, 1054192), (38, 527096), (41, 488528), (76, 263548), (82, 244264), (152, 131774), (164, 122132), (304, 65887), (328, 61066), (656, 30533), (779, 25712), (1558, 12856), (1607, 12464), (3116, 6428), (3214, 6232)]