20408049376256

素因数分解:

$2^{10}\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{890237}}^1$

素因数の和:890685

約数の個数: 88

約数和(自身を含む): 41577988915776

約数和(自身を除く): 21169939539520

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 367, 488, 512, 734, 976, 1024, 1468, 1952, 2936, 3904, 5872, 7808, 11744, 15616, 22387, 23488, 31232, 44774, 46976, 62464, 89548, 93952, 179096, 187904, 358192, 375808, 716384, 890237, 1432768, 1780474, 2865536, 3560948, 5731072, 7121896, 11462144, 14243792, 22924288, 28487584, 54304457, 56975168, 108608914, 113950336, 217217828, 227900672, 326716979, 434435656, 455801344, 653433958, 868871312, 911602688, 1306867916, 1737742624, 2613735832, 3475485248, 5227471664, 6950970496, 10454943328, 13901940992, 19929735719, 20909886656, 27803881984, 39859471438, 41819773312, 55607763968, 79718942876, 83639546624, 159437885752, 167279093248, 318875771504, 334558186496, 637751543008, 1275503086016, 2551006172032, 5102012344064, 10204024688128, 20408049376256]

約数ペア:

[(1, 20408049376256), (2, 10204024688128), (4, 5102012344064), (8, 2551006172032), (16, 1275503086016), (32, 637751543008), (61, 334558186496), (64, 318875771504), (122, 167279093248), (128, 159437885752), (244, 83639546624), (256, 79718942876), (367, 55607763968), (488, 41819773312), (512, 39859471438), (734, 27803881984), (976, 20909886656), (1024, 19929735719), (1468, 13901940992), (1952, 10454943328), (2936, 6950970496), (3904, 5227471664), (5872, 3475485248), (7808, 2613735832), (11744, 1737742624), (15616, 1306867916), (22387, 911602688), (23488, 868871312), (31232, 653433958), (44774, 455801344), (46976, 434435656), (62464, 326716979), (89548, 227900672), (93952, 217217828), (179096, 113950336), (187904, 108608914), (358192, 56975168), (375808, 54304457), (716384, 28487584), (890237, 22924288), (1432768, 14243792), (1780474, 11462144), (2865536, 7121896), (3560948, 5731072)]