20123093781

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1\times {\mathrm{5791}}^1$

素因数の和:8726

約数の個数: 48

約数和(自身を含む): 34985533440

約数和(自身を除く): 14862439659

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2903, 5791, 8709, 17373, 20321, 26127, 40537, 52119, 55157, 60963, 110029, 121611, 165471, 182889, 330087, 364833, 386099, 496413, 770203, 990261, 1158297, 2310609, 3474891, 6931827, 16811273, 50433819, 117678911, 151301457, 319414187, 353036733, 958242561, 1059110199, 2235899309, 2874727683, 6707697927, 20123093781]

約数ペア:

[(1, 20123093781), (3, 6707697927), (7, 2874727683), (9, 2235899309), (19, 1059110199), (21, 958242561), (57, 353036733), (63, 319414187), (133, 151301457), (171, 117678911), (399, 50433819), (1197, 16811273), (2903, 6931827), (5791, 3474891), (8709, 2310609), (17373, 1158297), (20321, 990261), (26127, 770203), (40537, 496413), (52119, 386099), (55157, 364833), (60963, 330087), (110029, 182889), (121611, 165471)]