20138286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12959}}^1$

素因数の和:13008

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 27139794

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12959, 25918, 38877, 77754, 90713, 181426, 272139, 479483, 544278, 958966, 1438449, 2876898, 3356381, 6712762, 10069143, 20138286]

約数ペア:

[(1, 20138286), (2, 10069143), (3, 6712762), (6, 3356381), (7, 2876898), (14, 1438449), (21, 958966), (37, 544278), (42, 479483), (74, 272139), (111, 181426), (222, 90713), (259, 77754), (518, 38877), (777, 25918), (1554, 12959)]