20382609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 11115375

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 433, 663, 923, 1207, 1299, 2769, 3621, 5629, 7361, 15691, 16887, 22083, 30743, 47073, 92229, 95693, 287079, 399659, 522631, 1198977, 1567893, 6794203, 20382609]

約数ペア:

[(1, 20382609), (3, 6794203), (13, 1567893), (17, 1198977), (39, 522631), (51, 399659), (71, 287079), (213, 95693), (221, 92229), (433, 47073), (663, 30743), (923, 22083), (1207, 16887), (1299, 15691), (2769, 7361), (3621, 5629)]