20867743

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 2792033

約数列:

[1, 13, 31, 53, 403, 689, 977, 1643, 12701, 21359, 30287, 51781, 393731, 673153, 1605211, 20867743]

約数ペア:

[(1, 20867743), (13, 1605211), (31, 673153), (53, 393731), (403, 51781), (689, 30287), (977, 21359), (1643, 12701)]