20211132496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1\times {\mathrm{563}}^1$

素因数の和:1220

約数の個数: 80

約数和(自身を含む): 40840386048

約数和(自身を除く): 20629253552

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 461, 496, 563, 628, 922, 1126, 1256, 1844, 2252, 2512, 3688, 4504, 4867, 7376, 9008, 9734, 14291, 17453, 19468, 28582, 34906, 38936, 57164, 69812, 72377, 77872, 88391, 114328, 139624, 144754, 176782, 228656, 259543, 279248, 289508, 353564, 519086, 579016, 707128, 1038172, 1158032, 1414256, 2076344, 2243687, 2740121, 4152688, 4487374, 5480242, 8045833, 8974748, 10960484, 16091666, 17949496, 21920968, 32183332, 35898992, 40748251, 43841936, 64366664, 81496502, 128733328, 162993004, 325986008, 651972016, 1263195781, 2526391562, 5052783124, 10105566248, 20211132496]

約数ペア:

[(1, 20211132496), (2, 10105566248), (4, 5052783124), (8, 2526391562), (16, 1263195781), (31, 651972016), (62, 325986008), (124, 162993004), (157, 128733328), (248, 81496502), (314, 64366664), (461, 43841936), (496, 40748251), (563, 35898992), (628, 32183332), (922, 21920968), (1126, 17949496), (1256, 16091666), (1844, 10960484), (2252, 8974748), (2512, 8045833), (3688, 5480242), (4504, 4487374), (4867, 4152688), (7376, 2740121), (9008, 2243687), (9734, 2076344), (14291, 1414256), (17453, 1158032), (19468, 1038172), (28582, 707128), (34906, 579016), (38936, 519086), (57164, 353564), (69812, 289508), (72377, 279248), (77872, 259543), (88391, 228656), (114328, 176782), (139624, 144754)]