20175738009

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1\times {\mathrm{11027}}^1$

素因数の和:11765

約数の個数: 32

約数和(自身を含む): 31004030976

約数和(自身を除く): 10828292967

約数列:

[1, 3, 7, 21, 151, 453, 577, 1057, 1731, 3171, 4039, 11027, 12117, 33081, 77189, 87127, 231567, 261381, 609889, 1665077, 1829667, 4995231, 6362579, 11655539, 19087737, 34966617, 44538053, 133614159, 960749429, 2882248287, 6725246003, 20175738009]

約数ペア:

[(1, 20175738009), (3, 6725246003), (7, 2882248287), (21, 960749429), (151, 133614159), (453, 44538053), (577, 34966617), (1057, 19087737), (1731, 11655539), (3171, 6362579), (4039, 4995231), (11027, 1829667), (12117, 1665077), (33081, 609889), (77189, 261381), (87127, 231567)]