20251540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24697}}^1$

素因数の和:24747

約数の個数: 24

約数和(自身を含む): 43567272

約数和(自身を除く): 23315732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24697, 49394, 98788, 123485, 246970, 493940, 1012577, 2025154, 4050308, 5062885, 10125770, 20251540]

約数ペア:

[(1, 20251540), (2, 10125770), (4, 5062885), (5, 4050308), (10, 2025154), (20, 1012577), (41, 493940), (82, 246970), (164, 123485), (205, 98788), (410, 49394), (820, 24697)]