20512483970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3433}}^1\times {\mathrm{54319}}^1$

素因数の和:57770

約数の個数: 32

約数和(自身を含む): 40291534080

約数和(自身を除く): 19779050110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 3433, 6866, 17165, 34330, 37763, 54319, 75526, 108638, 188815, 271595, 377630, 543190, 597509, 1195018, 2987545, 5975090, 186477127, 372954254, 932385635, 1864771270, 2051248397, 4102496794, 10256241985, 20512483970]

約数ペア:

[(1, 20512483970), (2, 10256241985), (5, 4102496794), (10, 2051248397), (11, 1864771270), (22, 932385635), (55, 372954254), (110, 186477127), (3433, 5975090), (6866, 2987545), (17165, 1195018), (34330, 597509), (37763, 543190), (54319, 377630), (75526, 271595), (108638, 188815)]