20867616

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{941}}^1$

素因数の和:975

約数の個数: 144

約数和(自身を含む): 74063808

約数和(自身を除く): 53196192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 32, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 96, 99, 112, 126, 132, 144, 154, 168, 176, 198, 224, 231, 252, 264, 288, 308, 336, 352, 396, 462, 504, 528, 616, 672, 693, 792, 924, 941, 1008, 1056, 1232, 1386, 1584, 1848, 1882, 2016, 2464, 2772, 2823, 3168, 3696, 3764, 5544, 5646, 6587, 7392, 7528, 8469, 10351, 11088, 11292, 13174, 15056, 16938, 19761, 20702, 22176, 22584, 26348, 30112, 31053, 33876, 39522, 41404, 45168, 52696, 59283, 62106, 67752, 72457, 79044, 82808, 90336, 93159, 105392, 118566, 124212, 135504, 144914, 158088, 165616, 186318, 210784, 217371, 237132, 248424, 271008, 289828, 316176, 331232, 372636, 434742, 474264, 496848, 579656, 632352, 652113, 745272, 869484, 948528, 993696, 1159312, 1304226, 1490544, 1738968, 1897056, 2318624, 2608452, 2981088, 3477936, 5216904, 6955872, 10433808, 20867616]

約数ペア:

[(1, 20867616), (2, 10433808), (3, 6955872), (4, 5216904), (6, 3477936), (7, 2981088), (8, 2608452), (9, 2318624), (11, 1897056), (12, 1738968), (14, 1490544), (16, 1304226), (18, 1159312), (21, 993696), (22, 948528), (24, 869484), (28, 745272), (32, 652113), (33, 632352), (36, 579656), (42, 496848), (44, 474264), (48, 434742), (56, 372636), (63, 331232), (66, 316176), (72, 289828), (77, 271008), (84, 248424), (88, 237132), (96, 217371), (99, 210784), (112, 186318), (126, 165616), (132, 158088), (144, 144914), (154, 135504), (168, 124212), (176, 118566), (198, 105392), (224, 93159), (231, 90336), (252, 82808), (264, 79044), (288, 72457), (308, 67752), (336, 62106), (352, 59283), (396, 52696), (462, 45168), (504, 41404), (528, 39522), (616, 33876), (672, 31053), (693, 30112), (792, 26348), (924, 22584), (941, 22176), (1008, 20702), (1056, 19761), (1232, 16938), (1386, 15056), (1584, 13174), (1848, 11292), (1882, 11088), (2016, 10351), (2464, 8469), (2772, 7528), (2823, 7392), (3168, 6587), (3696, 5646), (3764, 5544)]