20189653911

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{907849}}^1$

素因数の和:908215

約数の個数: 24

約数和(自身を含む): 33423405600

約数和(自身を除く): 13233751689

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 7413, 22239, 907849, 2723547, 6354943, 8170641, 19064829, 57194487, 320470697, 961412091, 2243294879, 2884236273, 6729884637, 20189653911]

約数ペア:

[(1, 20189653911), (3, 6729884637), (7, 2884236273), (9, 2243294879), (21, 961412091), (63, 320470697), (353, 57194487), (1059, 19064829), (2471, 8170641), (3177, 6354943), (7413, 2723547), (22239, 907849)]