20406360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 67092480

約数和(自身を除く): 46686120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 127, 130, 156, 195, 206, 254, 260, 309, 312, 381, 390, 412, 508, 515, 520, 618, 635, 762, 780, 824, 1016, 1030, 1236, 1270, 1339, 1524, 1545, 1560, 1651, 1905, 2060, 2472, 2540, 2678, 3048, 3090, 3302, 3810, 4017, 4120, 4953, 5080, 5356, 6180, 6604, 6695, 7620, 8034, 8255, 9906, 10712, 12360, 13081, 13208, 13390, 15240, 16068, 16510, 19812, 20085, 24765, 26162, 26780, 32136, 33020, 39243, 39624, 40170, 49530, 52324, 53560, 65405, 66040, 78486, 80340, 99060, 104648, 130810, 156972, 160680, 170053, 196215, 198120, 261620, 313944, 340106, 392430, 510159, 523240, 680212, 784860, 850265, 1020318, 1360424, 1569720, 1700530, 2040636, 2550795, 3401060, 4081272, 5101590, 6802120, 10203180, 20406360]

約数ペア:

[(1, 20406360), (2, 10203180), (3, 6802120), (4, 5101590), (5, 4081272), (6, 3401060), (8, 2550795), (10, 2040636), (12, 1700530), (13, 1569720), (15, 1360424), (20, 1020318), (24, 850265), (26, 784860), (30, 680212), (39, 523240), (40, 510159), (52, 392430), (60, 340106), (65, 313944), (78, 261620), (103, 198120), (104, 196215), (120, 170053), (127, 160680), (130, 156972), (156, 130810), (195, 104648), (206, 99060), (254, 80340), (260, 78486), (309, 66040), (312, 65405), (381, 53560), (390, 52324), (412, 49530), (508, 40170), (515, 39624), (520, 39243), (618, 33020), (635, 32136), (762, 26780), (780, 26162), (824, 24765), (1016, 20085), (1030, 19812), (1236, 16510), (1270, 16068), (1339, 15240), (1524, 13390), (1545, 13208), (1560, 13081), (1651, 12360), (1905, 10712), (2060, 9906), (2472, 8255), (2540, 8034), (2678, 7620), (3048, 6695), (3090, 6604), (3302, 6180), (3810, 5356), (4017, 5080), (4120, 4953)]