20056701

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 11812227

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 311, 581, 777, 933, 1743, 2177, 3071, 6531, 9213, 11507, 21497, 25813, 34521, 64491, 77439, 80549, 180691, 241647, 542073, 955081, 2865243, 6685567, 20056701]

約数ペア:

[(1, 20056701), (3, 6685567), (7, 2865243), (21, 955081), (37, 542073), (83, 241647), (111, 180691), (249, 80549), (259, 77439), (311, 64491), (581, 34521), (777, 25813), (933, 21497), (1743, 11507), (2177, 9213), (3071, 6531)]