20122582760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{101363}}^1$

素因数の和:102090

約数の個数: 64

約数和(自身を含む): 51817276800

約数和(自身を除く): 31694694040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 709, 1418, 2836, 3545, 4963, 5672, 7090, 9926, 14180, 19852, 24815, 28360, 39704, 49630, 99260, 101363, 198520, 202726, 405452, 506815, 709541, 810904, 1013630, 1419082, 2027260, 2838164, 3547705, 4054520, 5676328, 7095410, 14190820, 28381640, 71866367, 143732734, 287465468, 359331835, 503064569, 574930936, 718663670, 1006129138, 1437327340, 2012258276, 2515322845, 2874654680, 4024516552, 5030645690, 10061291380, 20122582760]

約数ペア:

[(1, 20122582760), (2, 10061291380), (4, 5030645690), (5, 4024516552), (7, 2874654680), (8, 2515322845), (10, 2012258276), (14, 1437327340), (20, 1006129138), (28, 718663670), (35, 574930936), (40, 503064569), (56, 359331835), (70, 287465468), (140, 143732734), (280, 71866367), (709, 28381640), (1418, 14190820), (2836, 7095410), (3545, 5676328), (4963, 4054520), (5672, 3547705), (7090, 2838164), (9926, 2027260), (14180, 1419082), (19852, 1013630), (24815, 810904), (28360, 709541), (39704, 506815), (49630, 405452), (99260, 202726), (101363, 198520)]