20065995

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7856

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 17489205

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7823, 23469, 39115, 70407, 117345, 148637, 211221, 352035, 445911, 743185, 1056105, 1337733, 2229555, 4013199, 6688665, 20065995]

約数ペア:

[(1, 20065995), (3, 6688665), (5, 4013199), (9, 2229555), (15, 1337733), (19, 1056105), (27, 743185), (45, 445911), (57, 352035), (95, 211221), (135, 148637), (171, 117345), (285, 70407), (513, 39115), (855, 23469), (2565, 7823)]