20121723325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{235273}}^1$

素因数の和:235605

約数の個数: 24

約数和(自身を含む): 27306841536

約数和(自身を除く): 7185118211

約数列:

[1, 5, 11, 25, 55, 275, 311, 1555, 3421, 7775, 17105, 85525, 235273, 1176365, 2588003, 5881825, 12940015, 64700075, 73169903, 365849515, 804868933, 1829247575, 4024344665, 20121723325]

約数ペア:

[(1, 20121723325), (5, 4024344665), (11, 1829247575), (25, 804868933), (55, 365849515), (275, 73169903), (311, 64700075), (1555, 12940015), (3421, 5881825), (7775, 2588003), (17105, 1176365), (85525, 235273)]