20310444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 47620692

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 126, 132, 153, 154, 187, 198, 204, 231, 238, 252, 306, 308, 357, 374, 396, 431, 462, 476, 561, 612, 693, 714, 748, 862, 924, 1071, 1122, 1293, 1309, 1386, 1428, 1683, 1724, 2142, 2244, 2586, 2618, 2772, 3017, 3366, 3879, 3927, 4284, 4741, 5172, 5236, 6034, 6732, 7327, 7758, 7854, 9051, 9482, 11781, 12068, 14223, 14654, 15516, 15708, 18102, 18964, 21981, 23562, 27153, 28446, 29308, 33187, 36204, 42669, 43962, 47124, 51289, 54306, 56892, 65943, 66374, 80597, 85338, 87924, 99561, 102578, 108612, 131886, 132748, 153867, 161194, 170676, 199122, 205156, 241791, 263772, 298683, 307734, 322388, 398244, 461601, 483582, 564179, 597366, 615468, 725373, 923202, 967164, 1128358, 1194732, 1450746, 1692537, 1846404, 2256716, 2901492, 3385074, 5077611, 6770148, 10155222, 20310444]

約数ペア:

[(1, 20310444), (2, 10155222), (3, 6770148), (4, 5077611), (6, 3385074), (7, 2901492), (9, 2256716), (11, 1846404), (12, 1692537), (14, 1450746), (17, 1194732), (18, 1128358), (21, 967164), (22, 923202), (28, 725373), (33, 615468), (34, 597366), (36, 564179), (42, 483582), (44, 461601), (51, 398244), (63, 322388), (66, 307734), (68, 298683), (77, 263772), (84, 241791), (99, 205156), (102, 199122), (119, 170676), (126, 161194), (132, 153867), (153, 132748), (154, 131886), (187, 108612), (198, 102578), (204, 99561), (231, 87924), (238, 85338), (252, 80597), (306, 66374), (308, 65943), (357, 56892), (374, 54306), (396, 51289), (431, 47124), (462, 43962), (476, 42669), (561, 36204), (612, 33187), (693, 29308), (714, 28446), (748, 27153), (862, 23562), (924, 21981), (1071, 18964), (1122, 18102), (1293, 15708), (1309, 15516), (1386, 14654), (1428, 14223), (1683, 12068), (1724, 11781), (2142, 9482), (2244, 9051), (2586, 7854), (2618, 7758), (2772, 7327), (3017, 6732), (3366, 6034), (3879, 5236), (3927, 5172), (4284, 4741)]