20117753800720

素因数分解:

$2^4\times 5^1\times {\mathrm{251471922509}}^1$

素因数の和:251471922522

約数の個数: 20

約数和(自身を含む): 46773777586860

約数和(自身を除く): 26656023786140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251471922509, 502943845018, 1005887690036, 1257359612545, 2011775380072, 2514719225090, 4023550760144, 5029438450180, 10058876900360, 20117753800720]

約数ペア:

[(1, 20117753800720), (2, 10058876900360), (4, 5029438450180), (5, 4023550760144), (8, 2514719225090), (10, 2011775380072), (16, 1257359612545), (20, 1005887690036), (40, 502943845018), (80, 251471922509)]