20797439715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 40966449216

約数和(自身を除く): 20169009501

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 97, 117, 135, 193, 195, 211, 291, 351, 405, 485, 579, 585, 633, 873, 965, 1053, 1055, 1261, 1455, 1737, 1755, 1899, 2509, 2619, 2743, 2895, 3165, 3783, 4365, 5211, 5265, 5697, 6305, 7527, 7857, 8229, 8685, 9495, 11349, 12545, 13095, 13715, 15633, 17091, 18721, 18915, 20467, 22581, 24687, 26055, 28485, 34047, 37635, 39285, 40723, 41145, 56163, 56745, 61401, 67743, 74061, 78165, 85455, 93605, 102141, 102335, 112905, 122169, 123435, 168489, 170235, 184203, 203229, 203615, 222183, 243373, 266071, 280815, 307005, 338715, 366507, 370305, 505467, 510705, 529399, 552609, 610845, 730119, 798213, 842445, 921015, 1016145, 1099521, 1110915, 1216865, 1330355, 1516401, 1588197, 1657827, 1832535, 2190357, 2394639, 2527335, 2646995, 2763045, 3298563, 3650595, 3950131, 3991065, 4764591, 5497605, 6571071, 7183917, 7582005, 7940985, 8289135, 10951785, 11850393, 11973195, 14293773, 16492815, 19713213, 19750655, 21551751, 23822955, 32855355, 35551179, 35919585, 42881319, 51351703, 59251965, 71468865, 98566065, 106653537, 107758755, 154055109, 177755895, 214406595, 256758515, 319960611, 462165327, 533267685, 770275545, 1386495981, 1599803055, 2310826635, 4159487943, 6932479905, 20797439715]

約数ペア:

[(1, 20797439715), (3, 6932479905), (5, 4159487943), (9, 2310826635), (13, 1599803055), (15, 1386495981), (27, 770275545), (39, 533267685), (45, 462165327), (65, 319960611), (81, 256758515), (97, 214406595), (117, 177755895), (135, 154055109), (193, 107758755), (195, 106653537), (211, 98566065), (291, 71468865), (351, 59251965), (405, 51351703), (485, 42881319), (579, 35919585), (585, 35551179), (633, 32855355), (873, 23822955), (965, 21551751), (1053, 19750655), (1055, 19713213), (1261, 16492815), (1455, 14293773), (1737, 11973195), (1755, 11850393), (1899, 10951785), (2509, 8289135), (2619, 7940985), (2743, 7582005), (2895, 7183917), (3165, 6571071), (3783, 5497605), (4365, 4764591), (5211, 3991065), (5265, 3950131), (5697, 3650595), (6305, 3298563), (7527, 2763045), (7857, 2646995), (8229, 2527335), (8685, 2394639), (9495, 2190357), (11349, 1832535), (12545, 1657827), (13095, 1588197), (13715, 1516401), (15633, 1330355), (17091, 1216865), (18721, 1110915), (18915, 1099521), (20467, 1016145), (22581, 921015), (24687, 842445), (26055, 798213), (28485, 730119), (34047, 610845), (37635, 552609), (39285, 529399), (40723, 510705), (41145, 505467), (56163, 370305), (56745, 366507), (61401, 338715), (67743, 307005), (74061, 280815), (78165, 266071), (85455, 243373), (93605, 222183), (102141, 203615), (102335, 203229), (112905, 184203), (122169, 170235), (123435, 168489)]