20164760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6547}}^1$

素因数の和:6576

約数の個数: 64

約数和(自身を含む): 56574720

約数和(自身を除く): 36409960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6547, 13094, 26188, 32735, 45829, 52376, 65470, 72017, 91658, 130940, 144034, 183316, 229145, 261880, 288068, 360085, 366632, 458290, 504119, 576136, 720170, 916580, 1008238, 1440340, 1833160, 2016476, 2520595, 2880680, 4032952, 5041190, 10082380, 20164760]

約数ペア:

[(1, 20164760), (2, 10082380), (4, 5041190), (5, 4032952), (7, 2880680), (8, 2520595), (10, 2016476), (11, 1833160), (14, 1440340), (20, 1008238), (22, 916580), (28, 720170), (35, 576136), (40, 504119), (44, 458290), (55, 366632), (56, 360085), (70, 288068), (77, 261880), (88, 229145), (110, 183316), (140, 144034), (154, 130940), (220, 91658), (280, 72017), (308, 65470), (385, 52376), (440, 45829), (616, 32735), (770, 26188), (1540, 13094), (3080, 6547)]