20520172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{593}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 37022832

約数和(自身を除く): 16502660

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 593, 844, 1186, 2372, 8651, 17302, 24313, 34604, 48626, 97252, 125123, 250246, 500492, 5130043, 10260086, 20520172]

約数ペア:

[(1, 20520172), (2, 10260086), (4, 5130043), (41, 500492), (82, 250246), (164, 125123), (211, 97252), (422, 48626), (593, 34604), (844, 24313), (1186, 17302), (2372, 8651)]