20729886

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1889}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22815714

約数列:

[1, 2, 3, 6, 31, 59, 62, 93, 118, 177, 186, 354, 1829, 1889, 3658, 3778, 5487, 5667, 10974, 11334, 58559, 111451, 117118, 175677, 222902, 334353, 351354, 668706, 3454981, 6909962, 10364943, 20729886]

約数ペア:

[(1, 20729886), (2, 10364943), (3, 6909962), (6, 3454981), (31, 668706), (59, 351354), (62, 334353), (93, 222902), (118, 175677), (177, 117118), (186, 111451), (354, 58559), (1829, 11334), (1889, 10974), (3658, 5667), (3778, 5487)]