20544212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4073}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 39126696

約数和(自身を除く): 18582484

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 4073, 5044, 8146, 16292, 52949, 105898, 211796, 395081, 790162, 1580324, 5136053, 10272106, 20544212]

約数ペア:

[(1, 20544212), (2, 10272106), (4, 5136053), (13, 1580324), (26, 790162), (52, 395081), (97, 211796), (194, 105898), (388, 52949), (1261, 16292), (2522, 8146), (4073, 5044)]