20541323

素因数分解:

${\mathrm{11}}^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 20

約数和(自身を含む): 23964240

約数和(自身を除く): 3422917

約数列:

[1, 11, 23, 61, 121, 253, 671, 1331, 1403, 2783, 7381, 14641, 15433, 30613, 81191, 169763, 336743, 893101, 1867393, 20541323]

約数ペア:

[(1, 20541323), (11, 1867393), (23, 893101), (61, 336743), (121, 169763), (253, 81191), (671, 30613), (1331, 15433), (1403, 14641), (2783, 7381)]