20538618

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{201359}}^1$

素因数の和:201381

約数の個数: 16

約数和(自身を含む): 43493760

約数和(自身を除く): 22955142

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 201359, 402718, 604077, 1208154, 3423103, 6846206, 10269309, 20538618]

約数ペア:

[(1, 20538618), (2, 10269309), (3, 6846206), (6, 3423103), (17, 1208154), (34, 604077), (51, 402718), (102, 201359)]