20208104560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{839207}}^1$

素因数の和:839270

約数の個数: 80

約数和(自身を含む): 54944626176

約数和(自身を除く): 34736521616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 12040, 24080, 839207, 1678414, 3356828, 4196035, 5874449, 6713656, 8392070, 11748898, 13427312, 16784140, 23497796, 29372245, 33568280, 36085901, 46995592, 58744490, 67136560, 72171802, 93991184, 117488980, 144343604, 180429505, 234977960, 252601307, 288687208, 360859010, 469955920, 505202614, 577374416, 721718020, 1010405228, 1263006535, 1443436040, 2020810456, 2526013070, 2886872080, 4041620912, 5052026140, 10104052280, 20208104560]

約数ペア:

[(1, 20208104560), (2, 10104052280), (4, 5052026140), (5, 4041620912), (7, 2886872080), (8, 2526013070), (10, 2020810456), (14, 1443436040), (16, 1263006535), (20, 1010405228), (28, 721718020), (35, 577374416), (40, 505202614), (43, 469955920), (56, 360859010), (70, 288687208), (80, 252601307), (86, 234977960), (112, 180429505), (140, 144343604), (172, 117488980), (215, 93991184), (280, 72171802), (301, 67136560), (344, 58744490), (430, 46995592), (560, 36085901), (602, 33568280), (688, 29372245), (860, 23497796), (1204, 16784140), (1505, 13427312), (1720, 11748898), (2408, 8392070), (3010, 6713656), (3440, 5874449), (4816, 4196035), (6020, 3356828), (12040, 1678414), (24080, 839207)]