20654788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67061}}^1$

素因数の和:67083

約数の個数: 24

約数和(自身を含む): 45065664

約数和(自身を除く): 24410876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67061, 134122, 268244, 469427, 737671, 938854, 1475342, 1877708, 2950684, 5163697, 10327394, 20654788]

約数ペア:

[(1, 20654788), (2, 10327394), (4, 5163697), (7, 2950684), (11, 1877708), (14, 1475342), (22, 938854), (28, 737671), (44, 469427), (77, 268244), (154, 134122), (308, 67061)]