20669264

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:928

約数の個数: 80

約数和(自身を含む): 52615680

約数和(自身を除く): 31946416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 883, 1064, 1232, 1463, 1672, 1766, 2128, 2926, 3344, 3532, 5852, 6181, 7064, 9713, 11704, 12362, 14128, 16777, 19426, 23408, 24724, 33554, 38852, 49448, 67108, 67991, 77704, 98896, 117439, 134216, 135982, 155408, 184547, 234878, 268432, 271964, 369094, 469756, 543928, 738188, 939512, 1087856, 1291829, 1476376, 1879024, 2583658, 2952752, 5167316, 10334632, 20669264]

約数ペア:

[(1, 20669264), (2, 10334632), (4, 5167316), (7, 2952752), (8, 2583658), (11, 1879024), (14, 1476376), (16, 1291829), (19, 1087856), (22, 939512), (28, 738188), (38, 543928), (44, 469756), (56, 369094), (76, 271964), (77, 268432), (88, 234878), (112, 184547), (133, 155408), (152, 135982), (154, 134216), (176, 117439), (209, 98896), (266, 77704), (304, 67991), (308, 67108), (418, 49448), (532, 38852), (616, 33554), (836, 24724), (883, 23408), (1064, 19426), (1232, 16777), (1463, 14128), (1672, 12362), (1766, 11704), (2128, 9713), (2926, 7064), (3344, 6181), (3532, 5852)]