20447088

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 56261280

約数和(自身を除く): 35814192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 397, 444, 464, 592, 696, 794, 888, 1073, 1191, 1392, 1588, 1776, 2146, 2382, 3176, 3219, 4292, 4764, 6352, 6438, 8584, 9528, 11513, 12876, 14689, 17168, 19056, 23026, 25752, 29378, 34539, 44067, 46052, 51504, 58756, 69078, 88134, 92104, 117512, 138156, 176268, 184208, 235024, 276312, 352536, 425981, 552624, 705072, 851962, 1277943, 1703924, 2555886, 3407848, 5111772, 6815696, 10223544, 20447088]

約数ペア:

[(1, 20447088), (2, 10223544), (3, 6815696), (4, 5111772), (6, 3407848), (8, 2555886), (12, 1703924), (16, 1277943), (24, 851962), (29, 705072), (37, 552624), (48, 425981), (58, 352536), (74, 276312), (87, 235024), (111, 184208), (116, 176268), (148, 138156), (174, 117512), (222, 92104), (232, 88134), (296, 69078), (348, 58756), (397, 51504), (444, 46052), (464, 44067), (592, 34539), (696, 29378), (794, 25752), (888, 23026), (1073, 19056), (1191, 17168), (1392, 14689), (1588, 12876), (1776, 11513), (2146, 9528), (2382, 8584), (3176, 6438), (3219, 6352), (4292, 4764)]