20932967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 5277337

約数列:

[1, 11, 17, 23, 31, 157, 187, 253, 341, 391, 527, 713, 1727, 2669, 3611, 4301, 4867, 5797, 7843, 12121, 29359, 39721, 53537, 61387, 82739, 111941, 133331, 675257, 910129, 1231351, 1902997, 20932967]

約数ペア:

[(1, 20932967), (11, 1902997), (17, 1231351), (23, 910129), (31, 675257), (157, 133331), (187, 111941), (253, 82739), (341, 61387), (391, 53537), (527, 39721), (713, 29359), (1727, 12121), (2669, 7843), (3611, 5797), (4301, 4867)]