20162064016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{65731}}^1$

素因数の和:66767

約数の個数: 40

約数和(自身を含む): 41161378400

約数和(自身を除く): 20999314384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1009, 2018, 4036, 8072, 16144, 19171, 38342, 65731, 76684, 131462, 153368, 262924, 306736, 525848, 1051696, 1248889, 2497778, 4995556, 9991112, 19982224, 66322579, 132645158, 265290316, 530580632, 1061161264, 1260129001, 2520258002, 5040516004, 10081032008, 20162064016]

約数ペア:

[(1, 20162064016), (2, 10081032008), (4, 5040516004), (8, 2520258002), (16, 1260129001), (19, 1061161264), (38, 530580632), (76, 265290316), (152, 132645158), (304, 66322579), (1009, 19982224), (2018, 9991112), (4036, 4995556), (8072, 2497778), (16144, 1248889), (19171, 1051696), (38342, 525848), (65731, 306736), (76684, 262924), (131462, 153368)]