20856003

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24223}}^1$

素因数の和:24274

約数の個数: 16

約数和(自身を含む): 32557056

約数和(自身を除く): 11701053

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24223, 72669, 169561, 508683, 993143, 2979429, 6952001, 20856003]

約数ペア:

[(1, 20856003), (3, 6952001), (7, 2979429), (21, 993143), (41, 508683), (123, 169561), (287, 72669), (861, 24223)]