20123712003

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1\times {\mathrm{4783}}^1$

素因数の和:5359

約数の個数: 32

約数和(自身を含む): 28462120960

約数和(自身を除く): 8338408957

約数列:

[1, 3, 19, 57, 223, 331, 669, 993, 4237, 4783, 6289, 12711, 14349, 18867, 73813, 90877, 221439, 272631, 1066609, 1402447, 1583173, 3199827, 4207341, 4749519, 20265571, 30080287, 60796713, 90240861, 353047579, 1059142737, 6707904001, 20123712003]

約数ペア:

[(1, 20123712003), (3, 6707904001), (19, 1059142737), (57, 353047579), (223, 90240861), (331, 60796713), (669, 30080287), (993, 20265571), (4237, 4749519), (4783, 4207341), (6289, 3199827), (12711, 1583173), (14349, 1402447), (18867, 1066609), (73813, 272631), (90877, 221439)]