20854880937

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1\times {\mathrm{3181}}^1$

素因数の和:4654

約数の個数: 48

約数和(自身を含む): 33595810560

約数和(自身を除く): 12740929623

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1409, 1551, 3181, 4227, 4653, 9543, 12681, 15499, 28629, 34991, 46497, 66223, 104973, 139491, 149507, 198669, 314919, 448521, 596007, 728453, 1345563, 1644577, 2185359, 4482029, 4933731, 6556077, 13446087, 14801193, 40338261, 49302319, 147906957, 210655363, 443720871, 631966089, 1895898267, 2317208993, 6951626979, 20854880937]

約数ペア:

[(1, 20854880937), (3, 6951626979), (9, 2317208993), (11, 1895898267), (33, 631966089), (47, 443720871), (99, 210655363), (141, 147906957), (423, 49302319), (517, 40338261), (1409, 14801193), (1551, 13446087), (3181, 6556077), (4227, 4933731), (4653, 4482029), (9543, 2185359), (12681, 1644577), (15499, 1345563), (28629, 728453), (34991, 596007), (46497, 448521), (66223, 314919), (104973, 198669), (139491, 149507)]