20379821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15569}}^1$

素因数の和:15604

約数の個数: 16

約数和(自身を含む): 26904960

約数和(自身を除く): 6525139

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15569, 108983, 171259, 264673, 1198813, 1852711, 2911403, 20379821]

約数ペア:

[(1, 20379821), (7, 2911403), (11, 1852711), (17, 1198813), (77, 264673), (119, 171259), (187, 108983), (1309, 15569)]