20175701865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1722211}}^1$

素因数の和:1722301

約数の個数: 32

約数和(自身を含む): 35711788032

約数和(自身を除く): 15536086167

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 11715, 1722211, 5166633, 8611055, 18944321, 25833165, 56832963, 94721605, 122276981, 284164815, 366830943, 611384905, 1345046791, 1834154715, 4035140373, 6725233955, 20175701865]

約数ペア:

[(1, 20175701865), (3, 6725233955), (5, 4035140373), (11, 1834154715), (15, 1345046791), (33, 611384905), (55, 366830943), (71, 284164815), (165, 122276981), (213, 94721605), (355, 56832963), (781, 25833165), (1065, 18944321), (2343, 8611055), (3905, 5166633), (11715, 1722211)]