20889340

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6917}}^1$

素因数の和:7077

約数の個数: 24

約数和(自身を含む): 44164512

約数和(自身を除く): 23275172

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6917, 13834, 27668, 34585, 69170, 138340, 1044467, 2088934, 4177868, 5222335, 10444670, 20889340]

約数ペア:

[(1, 20889340), (2, 10444670), (4, 5222335), (5, 4177868), (10, 2088934), (20, 1044467), (151, 138340), (302, 69170), (604, 34585), (755, 27668), (1510, 13834), (3020, 6917)]