20111442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 47537280

約数和(自身を除く): 27425838

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 34, 39, 51, 58, 78, 87, 102, 174, 221, 377, 442, 493, 523, 663, 754, 986, 1046, 1131, 1326, 1479, 1569, 2262, 2958, 3138, 6409, 6799, 8891, 12818, 13598, 15167, 17782, 19227, 20397, 26673, 30334, 38454, 40794, 45501, 53346, 91002, 115583, 197171, 231166, 257839, 346749, 394342, 515678, 591513, 693498, 773517, 1183026, 1547034, 3351907, 6703814, 10055721, 20111442]

約数ペア:

[(1, 20111442), (2, 10055721), (3, 6703814), (6, 3351907), (13, 1547034), (17, 1183026), (26, 773517), (29, 693498), (34, 591513), (39, 515678), (51, 394342), (58, 346749), (78, 257839), (87, 231166), (102, 197171), (174, 115583), (221, 91002), (377, 53346), (442, 45501), (493, 40794), (523, 38454), (663, 30334), (754, 26673), (986, 20397), (1046, 19227), (1131, 17782), (1326, 15167), (1479, 13598), (1569, 12818), (2262, 8891), (2958, 6799), (3138, 6409)]