22028920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10391}}^1$

素因数の和:10455

約数の個数: 32

約数和(自身を含む): 50505120

約数和(自身を除く): 28476200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 10391, 20782, 41564, 51955, 83128, 103910, 207820, 415640, 550723, 1101446, 2202892, 2753615, 4405784, 5507230, 11014460, 22028920]

約数ペア:

[(1, 22028920), (2, 11014460), (4, 5507230), (5, 4405784), (8, 2753615), (10, 2202892), (20, 1101446), (40, 550723), (53, 415640), (106, 207820), (212, 103910), (265, 83128), (424, 51955), (530, 41564), (1060, 20782), (2120, 10391)]