20153990135

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{20233}}^1$

素因数の和:20435

約数の個数: 32

約数和(自身を含む): 25576423488

約数和(自身を除く): 5422433353

約数列:

[1, 5, 41, 43, 113, 205, 215, 565, 1763, 4633, 4859, 8815, 20233, 23165, 24295, 101165, 199219, 829553, 870019, 996095, 2286329, 4147765, 4350095, 11431645, 35670779, 93739489, 98312147, 178353895, 468697445, 491560735, 4030798027, 20153990135]

約数ペア:

[(1, 20153990135), (5, 4030798027), (41, 491560735), (43, 468697445), (113, 178353895), (205, 98312147), (215, 93739489), (565, 35670779), (1763, 11431645), (4633, 4350095), (4859, 4147765), (8815, 2286329), (20233, 996095), (23165, 870019), (24295, 829553), (101165, 199219)]