20218561623

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{22717}}^1\times {\mathrm{7607}}^1$

素因数の和:30343

約数の個数: 24

約数和(自身を含む): 31456615008

約数和(自身を除く): 11238053385

約数列:

[1, 3, 9, 13, 39, 117, 7607, 22717, 22821, 68151, 68463, 98891, 204453, 295321, 296673, 885963, 890019, 2657889, 172808219, 518424657, 1555273971, 2246506847, 6739520541, 20218561623]

約数ペア:

[(1, 20218561623), (3, 6739520541), (9, 2246506847), (13, 1555273971), (39, 518424657), (117, 172808219), (7607, 2657889), (22717, 890019), (22821, 885963), (68151, 296673), (68463, 295321), (98891, 204453)]