20155573149

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{25087}}^1$

素因数の和:25337

約数の個数: 32

約数和(自身を含む): 28438953984

約数和(自身を除く): 8283380835

約数列:

[1, 3, 31, 53, 93, 159, 163, 489, 1643, 4929, 5053, 8639, 15159, 25087, 25917, 75261, 267809, 777697, 803427, 1329611, 2333091, 3988833, 4089181, 12267543, 41217941, 123653823, 126764611, 216726593, 380293833, 650179779, 6718524383, 20155573149]

約数ペア:

[(1, 20155573149), (3, 6718524383), (31, 650179779), (53, 380293833), (93, 216726593), (159, 126764611), (163, 123653823), (489, 41217941), (1643, 12267543), (4929, 4089181), (5053, 3988833), (8639, 2333091), (15159, 1329611), (25087, 803427), (25917, 777697), (75261, 267809)]