20161219024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2579}}^1\times {\mathrm{15761}}^1$

素因数の和:18379

約数の個数: 40

約数和(自身を含む): 40340632320

約数和(自身を除く): 20179413296

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2579, 5158, 10316, 15761, 20632, 31522, 41264, 63044, 79949, 126088, 159898, 252176, 319796, 488591, 639592, 977182, 1279184, 1954364, 3908728, 7817456, 40647619, 81295238, 162590476, 325180952, 650361904, 1260076189, 2520152378, 5040304756, 10080609512, 20161219024]

約数ペア:

[(1, 20161219024), (2, 10080609512), (4, 5040304756), (8, 2520152378), (16, 1260076189), (31, 650361904), (62, 325180952), (124, 162590476), (248, 81295238), (496, 40647619), (2579, 7817456), (5158, 3908728), (10316, 1954364), (15761, 1279184), (20632, 977182), (31522, 639592), (41264, 488591), (63044, 319796), (79949, 252176), (126088, 159898)]