20184877460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{506903}}^1$

素因数の和:507104

約数の個数: 48

約数和(自身を含む): 46497290112

約数和(自身を除く): 26312412652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 39820, 506903, 1013806, 2027612, 2534515, 5069030, 5575933, 10138060, 11151866, 22303732, 27879665, 55759330, 91749443, 111518660, 183498886, 366997772, 458747215, 917494430, 1009243873, 1834988860, 2018487746, 4036975492, 5046219365, 10092438730, 20184877460]

約数ペア:

[(1, 20184877460), (2, 10092438730), (4, 5046219365), (5, 4036975492), (10, 2018487746), (11, 1834988860), (20, 1009243873), (22, 917494430), (44, 458747215), (55, 366997772), (110, 183498886), (181, 111518660), (220, 91749443), (362, 55759330), (724, 27879665), (905, 22303732), (1810, 11151866), (1991, 10138060), (3620, 5575933), (3982, 5069030), (7964, 2534515), (9955, 2027612), (19910, 1013806), (39820, 506903)]