20107311

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 32744448

約数和(自身を除く): 12637137

約数列:

[1, 3, 7, 17, 21, 51, 119, 151, 357, 373, 453, 1057, 1119, 2567, 2611, 3171, 6341, 7701, 7833, 17969, 19023, 44387, 53907, 56323, 133161, 168969, 394261, 957491, 1182783, 2872473, 6702437, 20107311]

約数ペア:

[(1, 20107311), (3, 6702437), (7, 2872473), (17, 1182783), (21, 957491), (51, 394261), (119, 168969), (151, 133161), (357, 56323), (373, 53907), (453, 44387), (1057, 19023), (1119, 17969), (2567, 7833), (2611, 7701), (3171, 6341)]