20897504

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1283}}^1$

素因数の和:1802

約数の個数: 24

約数和(自身を含む): 41254920

約数和(自身を除く): 20357416

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1283, 2036, 2566, 4072, 5132, 8144, 10264, 16288, 20528, 41056, 653047, 1306094, 2612188, 5224376, 10448752, 20897504]

約数ペア:

[(1, 20897504), (2, 10448752), (4, 5224376), (8, 2612188), (16, 1306094), (32, 653047), (509, 41056), (1018, 20528), (1283, 16288), (2036, 10264), (2566, 8144), (4072, 5132)]