20456176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98347}}^1$

素因数の和:98368

約数の個数: 20

約数和(自身を含む): 42683032

約数和(自身を除く): 22226856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98347, 196694, 393388, 786776, 1278511, 1573552, 2557022, 5114044, 10228088, 20456176]

約数ペア:

[(1, 20456176), (2, 10228088), (4, 5114044), (8, 2557022), (13, 1573552), (16, 1278511), (26, 786776), (52, 393388), (104, 196694), (208, 98347)]