20560843

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 21998592

約数和(自身を除く): 1437749

約数列:

[1, 31, 61, 83, 131, 1891, 2573, 4061, 5063, 7991, 10873, 156953, 247721, 337063, 663253, 20560843]

約数ペア:

[(1, 20560843), (31, 663253), (61, 337063), (83, 247721), (131, 156953), (1891, 10873), (2573, 7991), (4061, 5063)]