20123774973

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43842647}}^1$

素因数の和:43842673

約数の個数: 16

約数和(自身を含む): 31566706560

約数和(自身を除く): 11442931587

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43842647, 131527941, 394583823, 745324999, 1183751469, 2235974997, 6707924991, 20123774973]

約数ペア:

[(1, 20123774973), (3, 6707924991), (9, 2235974997), (17, 1183751469), (27, 745324999), (51, 394583823), (153, 131527941), (459, 43842647)]