20749136

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5381}}^1$

素因数の和:5630

約数の個数: 20

約数和(自身を含む): 40375764

約数和(自身を除く): 19626628

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5381, 10762, 21524, 43048, 86096, 1296821, 2593642, 5187284, 10374568, 20749136]

約数ペア:

[(1, 20749136), (2, 10374568), (4, 5187284), (8, 2593642), (16, 1296821), (241, 86096), (482, 43048), (964, 21524), (1928, 10762), (3856, 5381)]