20584408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197927}}^1$

素因数の和:197946

約数の個数: 16

約数和(自身を含む): 41564880

約数和(自身を除く): 20980472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197927, 395854, 791708, 1583416, 2573051, 5146102, 10292204, 20584408]

約数ペア:

[(1, 20584408), (2, 10292204), (4, 5146102), (8, 2573051), (13, 1583416), (26, 791708), (52, 395854), (104, 197927)]