20504608

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8111}}^1$

素因数の和:8200

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 20379872

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8111, 16222, 32444, 64888, 129776, 259552, 640769, 1281538, 2563076, 5126152, 10252304, 20504608]

約数ペア:

[(1, 20504608), (2, 10252304), (4, 5126152), (8, 2563076), (16, 1281538), (32, 640769), (79, 259552), (158, 129776), (316, 64888), (632, 32444), (1264, 16222), (2528, 8111)]