20818244920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47314193}}^1$

素因数の和:47314215

約数の個数: 32

約数和(自身を含む): 51099329520

約数和(自身を除く): 30281084600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47314193, 94628386, 189256772, 236570965, 378513544, 473141930, 520456123, 946283860, 1040912246, 1892567720, 2081824492, 2602280615, 4163648984, 5204561230, 10409122460, 20818244920]

約数ペア:

[(1, 20818244920), (2, 10409122460), (4, 5204561230), (5, 4163648984), (8, 2602280615), (10, 2081824492), (11, 1892567720), (20, 1040912246), (22, 946283860), (40, 520456123), (44, 473141930), (55, 378513544), (88, 236570965), (110, 189256772), (220, 94628386), (440, 47314193)]