20839984136

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 40360647600

約数和(自身を除く): 19520663464

約数列:

[1, 2, 4, 8, 41, 82, 164, 233, 328, 389, 466, 701, 778, 932, 1402, 1556, 1864, 2804, 3112, 5608, 9553, 15949, 19106, 28741, 31898, 38212, 57482, 63796, 76424, 90637, 114964, 127592, 163333, 181274, 229928, 272689, 326666, 362548, 545378, 653332, 725096, 1090756, 1306664, 2181512, 3716117, 6696653, 7432234, 11180249, 13393306, 14864468, 22360498, 26786612, 29728936, 44720996, 53573224, 63536537, 89441992, 127073074, 254146148, 508292296, 2604998017, 5209996034, 10419992068, 20839984136]

約数ペア:

[(1, 20839984136), (2, 10419992068), (4, 5209996034), (8, 2604998017), (41, 508292296), (82, 254146148), (164, 127073074), (233, 89441992), (328, 63536537), (389, 53573224), (466, 44720996), (701, 29728936), (778, 26786612), (932, 22360498), (1402, 14864468), (1556, 13393306), (1864, 11180249), (2804, 7432234), (3112, 6696653), (5608, 3716117), (9553, 2181512), (15949, 1306664), (19106, 1090756), (28741, 725096), (31898, 653332), (38212, 545378), (57482, 362548), (63796, 326666), (76424, 272689), (90637, 229928), (114964, 181274), (127592, 163333)]