20408889615

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3733}}^1\times {\mathrm{19183}}^1$

素因数の和:22943

約数の個数: 32

約数和(自身を含む): 34383866880

約数和(自身を除く): 13974977265

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 3733, 11199, 18665, 19183, 55995, 57549, 70927, 95915, 212781, 287745, 354635, 364477, 1063905, 1093431, 1822385, 5467155, 71610139, 214830417, 358050695, 1074152085, 1360592641, 4081777923, 6802963205, 20408889615]

約数ペア:

[(1, 20408889615), (3, 6802963205), (5, 4081777923), (15, 1360592641), (19, 1074152085), (57, 358050695), (95, 214830417), (285, 71610139), (3733, 5467155), (11199, 1822385), (18665, 1093431), (19183, 1063905), (55995, 364477), (57549, 354635), (70927, 287745), (95915, 212781)]