20197980715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11846323}}^1$

素因数の和:11846370

約数の個数: 16

約数和(自身を含む): 27293930496

約数和(自身を除く): 7095949781

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11846323, 59231615, 130309553, 367236013, 651547765, 1836180065, 4039596143, 20197980715]

約数ペア:

[(1, 20197980715), (5, 4039596143), (11, 1836180065), (31, 651547765), (55, 367236013), (155, 130309553), (341, 59231615), (1705, 11846323)]