20423028496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1\times {\mathrm{1249}}^1$

素因数の和:2016

約数の個数: 80

約数和(自身を含む): 43052800000

約数和(自身を除く): 22629771504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 619, 1016, 1238, 1249, 1651, 2032, 2476, 2498, 3302, 4952, 4996, 6604, 8047, 9904, 9992, 13208, 16094, 16237, 19984, 26416, 32188, 32474, 64376, 64948, 78613, 128752, 129896, 157226, 158623, 259792, 314452, 317246, 628904, 634492, 773131, 1021969, 1257808, 1268984, 1546262, 2043938, 2062099, 2537968, 3092524, 4087876, 4124198, 6185048, 8175752, 8248396, 10050703, 12370096, 16351504, 16496792, 20101406, 32993584, 40202812, 80405624, 98187637, 160811248, 196375274, 392750548, 785501096, 1276439281, 1571002192, 2552878562, 5105757124, 10211514248, 20423028496]

約数ペア:

[(1, 20423028496), (2, 10211514248), (4, 5105757124), (8, 2552878562), (13, 1571002192), (16, 1276439281), (26, 785501096), (52, 392750548), (104, 196375274), (127, 160811248), (208, 98187637), (254, 80405624), (508, 40202812), (619, 32993584), (1016, 20101406), (1238, 16496792), (1249, 16351504), (1651, 12370096), (2032, 10050703), (2476, 8248396), (2498, 8175752), (3302, 6185048), (4952, 4124198), (4996, 4087876), (6604, 3092524), (8047, 2537968), (9904, 2062099), (9992, 2043938), (13208, 1546262), (16094, 1268984), (16237, 1257808), (19984, 1021969), (26416, 773131), (32188, 634492), (32474, 628904), (64376, 317246), (64948, 314452), (78613, 259792), (128752, 158623), (129896, 157226)]