20607536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 42586560

約数和(自身を除く): 21979024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 317, 478, 634, 956, 1268, 1912, 2536, 3824, 4063, 5072, 5389, 8126, 10778, 16252, 21556, 32504, 43112, 65008, 75763, 86224, 151526, 303052, 606104, 1212208, 1287971, 2575942, 5151884, 10303768, 20607536]

約数ペア:

[(1, 20607536), (2, 10303768), (4, 5151884), (8, 2575942), (16, 1287971), (17, 1212208), (34, 606104), (68, 303052), (136, 151526), (239, 86224), (272, 75763), (317, 65008), (478, 43112), (634, 32504), (956, 21556), (1268, 16252), (1912, 10778), (2536, 8126), (3824, 5389), (4063, 5072)]