20177523412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{409879}}^1$

素因数の和:410311

約数の個数: 24

約数和(自身を含む): 36541621760

約数和(自身を除く): 16364098348

約数列:

[1, 2, 4, 31, 62, 124, 397, 794, 1588, 12307, 24614, 49228, 409879, 819758, 1639516, 12706249, 25412498, 50824996, 162721963, 325443926, 650887852, 5044380853, 10088761706, 20177523412]

約数ペア:

[(1, 20177523412), (2, 10088761706), (4, 5044380853), (31, 650887852), (62, 325443926), (124, 162721963), (397, 50824996), (794, 25412498), (1588, 12706249), (12307, 1639516), (24614, 819758), (49228, 409879)]