20348804

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16901}}^1$

素因数の和:16955

約数の個数: 24

約数和(自身を含む): 41646528

約数和(自身を除く): 21297724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16901, 33802, 67604, 118307, 236614, 473228, 726743, 1453486, 2906972, 5087201, 10174402, 20348804]

約数ペア:

[(1, 20348804), (2, 10174402), (4, 5087201), (7, 2906972), (14, 1453486), (28, 726743), (43, 473228), (86, 236614), (172, 118307), (301, 67604), (602, 33802), (1204, 16901)]