20153660128

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{17359}}^1$

素因数の和:17520

約数の個数: 96

約数和(自身を含む): 46617016320

約数和(自身を除く): 26463356192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 73, 112, 142, 146, 224, 284, 292, 497, 511, 568, 584, 994, 1022, 1136, 1168, 1988, 2044, 2272, 2336, 3976, 4088, 5183, 7952, 8176, 10366, 15904, 16352, 17359, 20732, 34718, 36281, 41464, 69436, 72562, 82928, 121513, 138872, 145124, 165856, 243026, 277744, 290248, 486052, 555488, 580496, 972104, 1160992, 1232489, 1267207, 1944208, 2464978, 2534414, 3888416, 4929956, 5068828, 8627423, 8870449, 9859912, 10137656, 17254846, 17740898, 19719824, 20275312, 34509692, 35481796, 39439648, 40550624, 69019384, 70963592, 89971697, 138038768, 141927184, 179943394, 276077536, 283854368, 359886788, 629801879, 719773576, 1259603758, 1439547152, 2519207516, 2879094304, 5038415032, 10076830064, 20153660128]

約数ペア:

[(1, 20153660128), (2, 10076830064), (4, 5038415032), (7, 2879094304), (8, 2519207516), (14, 1439547152), (16, 1259603758), (28, 719773576), (32, 629801879), (56, 359886788), (71, 283854368), (73, 276077536), (112, 179943394), (142, 141927184), (146, 138038768), (224, 89971697), (284, 70963592), (292, 69019384), (497, 40550624), (511, 39439648), (568, 35481796), (584, 34509692), (994, 20275312), (1022, 19719824), (1136, 17740898), (1168, 17254846), (1988, 10137656), (2044, 9859912), (2272, 8870449), (2336, 8627423), (3976, 5068828), (4088, 4929956), (5183, 3888416), (7952, 2534414), (8176, 2464978), (10366, 1944208), (15904, 1267207), (16352, 1232489), (17359, 1160992), (20732, 972104), (34718, 580496), (36281, 555488), (41464, 486052), (69436, 290248), (72562, 277744), (82928, 243026), (121513, 165856), (138872, 145124)]