20983755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107609}}^1$

素因数の和:107630

約数の個数: 16

約数和(自身を含む): 36156960

約数和(自身を除く): 15173205

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 107609, 322827, 538045, 1398917, 1614135, 4196751, 6994585, 20983755]

約数ペア:

[(1, 20983755), (3, 6994585), (5, 4196751), (13, 1614135), (15, 1398917), (39, 538045), (65, 322827), (195, 107609)]