20680464

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 62119040

約数和(自身を除く): 41438576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1009, 1281, 1464, 1708, 2018, 2562, 2928, 3027, 3416, 4036, 5124, 6054, 6832, 7063, 8072, 10248, 12108, 14126, 16144, 20496, 21189, 24216, 28252, 42378, 48432, 56504, 61549, 84756, 113008, 123098, 169512, 184647, 246196, 339024, 369294, 430843, 492392, 738588, 861686, 984784, 1292529, 1477176, 1723372, 2585058, 2954352, 3446744, 5170116, 6893488, 10340232, 20680464]

約数ペア:

[(1, 20680464), (2, 10340232), (3, 6893488), (4, 5170116), (6, 3446744), (7, 2954352), (8, 2585058), (12, 1723372), (14, 1477176), (16, 1292529), (21, 984784), (24, 861686), (28, 738588), (42, 492392), (48, 430843), (56, 369294), (61, 339024), (84, 246196), (112, 184647), (122, 169512), (168, 123098), (183, 113008), (244, 84756), (336, 61549), (366, 56504), (427, 48432), (488, 42378), (732, 28252), (854, 24216), (976, 21189), (1009, 20496), (1281, 16144), (1464, 14126), (1708, 12108), (2018, 10248), (2562, 8072), (2928, 7063), (3027, 6832), (3416, 6054), (4036, 5124)]