20992017025

素因数分解:

$5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{2741}}^1$

素因数の和:3274

約数の個数: 48

約数和(自身を含む): 30111108480

約数和(自身を除く): 9119091455

約数列:

[1, 5, 7, 25, 35, 107, 175, 409, 535, 749, 2045, 2675, 2741, 2863, 3745, 10225, 13705, 14315, 18725, 19187, 43763, 68525, 71575, 95935, 218815, 293287, 306341, 479675, 1094075, 1121069, 1466435, 1531705, 2053009, 5605345, 7332175, 7658525, 7847483, 10265045, 28026725, 39237415, 51325225, 119954383, 196187075, 599771915, 839680681, 2998859575, 4198403405, 20992017025]

約数ペア:

[(1, 20992017025), (5, 4198403405), (7, 2998859575), (25, 839680681), (35, 599771915), (107, 196187075), (175, 119954383), (409, 51325225), (535, 39237415), (749, 28026725), (2045, 10265045), (2675, 7847483), (2741, 7658525), (2863, 7332175), (3745, 5605345), (10225, 2053009), (13705, 1531705), (14315, 1466435), (18725, 1121069), (19187, 1094075), (43763, 479675), (68525, 306341), (71575, 293287), (95935, 218815)]