20972798

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8011}}^1$

素因数の和:8048

約数の個数: 32

約数和(自身を含む): 41534208

約数和(自身を除く): 20561410

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8011, 16022, 56077, 88121, 112154, 136187, 176242, 272374, 616847, 953309, 1233694, 1498057, 1906618, 2996114, 10486399, 20972798]

約数ペア:

[(1, 20972798), (2, 10486399), (7, 2996114), (11, 1906618), (14, 1498057), (17, 1233694), (22, 953309), (34, 616847), (77, 272374), (119, 176242), (154, 136187), (187, 112154), (238, 88121), (374, 56077), (1309, 16022), (2618, 8011)]