20487264

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 62979840

約数和(自身を除く): 42492576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 112, 129, 168, 172, 224, 258, 301, 336, 344, 516, 602, 672, 688, 709, 903, 1032, 1204, 1376, 1418, 1806, 2064, 2127, 2408, 2836, 3612, 4128, 4254, 4816, 4963, 5672, 7224, 8508, 9632, 9926, 11344, 14448, 14889, 17016, 19852, 22688, 28896, 29778, 30487, 34032, 39704, 59556, 60974, 68064, 79408, 91461, 119112, 121948, 158816, 182922, 213409, 238224, 243896, 365844, 426818, 476448, 487792, 640227, 731688, 853636, 975584, 1280454, 1463376, 1707272, 2560908, 2926752, 3414544, 5121816, 6829088, 10243632, 20487264]

約数ペア:

[(1, 20487264), (2, 10243632), (3, 6829088), (4, 5121816), (6, 3414544), (7, 2926752), (8, 2560908), (12, 1707272), (14, 1463376), (16, 1280454), (21, 975584), (24, 853636), (28, 731688), (32, 640227), (42, 487792), (43, 476448), (48, 426818), (56, 365844), (84, 243896), (86, 238224), (96, 213409), (112, 182922), (129, 158816), (168, 121948), (172, 119112), (224, 91461), (258, 79408), (301, 68064), (336, 60974), (344, 59556), (516, 39704), (602, 34032), (672, 30487), (688, 29778), (709, 28896), (903, 22688), (1032, 19852), (1204, 17016), (1376, 14889), (1418, 14448), (1806, 11344), (2064, 9926), (2127, 9632), (2408, 8508), (2836, 7224), (3612, 5672), (4128, 4963), (4254, 4816)]