20100717

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 37470720

約数和(自身を除く): 17370003

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 101, 117, 189, 243, 273, 303, 351, 567, 707, 729, 819, 909, 1053, 1313, 1701, 2121, 2187, 2457, 2727, 3159, 3939, 5103, 6363, 7371, 8181, 9191, 9477, 11817, 15309, 19089, 22113, 24543, 27573, 28431, 35451, 57267, 66339, 73629, 82719, 106353, 171801, 199017, 220887, 248157, 319059, 515403, 744471, 957177, 1546209, 2233413, 2871531, 6700239, 20100717]

約数ペア:

[(1, 20100717), (3, 6700239), (7, 2871531), (9, 2233413), (13, 1546209), (21, 957177), (27, 744471), (39, 515403), (63, 319059), (81, 248157), (91, 220887), (101, 199017), (117, 171801), (189, 106353), (243, 82719), (273, 73629), (303, 66339), (351, 57267), (567, 35451), (707, 28431), (729, 27573), (819, 24543), (909, 22113), (1053, 19089), (1313, 15309), (1701, 11817), (2121, 9477), (2187, 9191), (2457, 8181), (2727, 7371), (3159, 6363), (3939, 5103)]