20091720558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{1303}}^1$

素因数の和:2270

約数の個数: 128

約数和(自身を含む): 51147177984

約数和(自身を除く): 31055457426

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 911, 1209, 1302, 1303, 1822, 2418, 2606, 2733, 2821, 3909, 5466, 5642, 6377, 7818, 8463, 9121, 11843, 12754, 16926, 16939, 18242, 19131, 23686, 27363, 28241, 33878, 35529, 38262, 40393, 50817, 54726, 56482, 71058, 80786, 82901, 84723, 101634, 118573, 121179, 165802, 169446, 197687, 237146, 242358, 248703, 282751, 355719, 367133, 395374, 497406, 525109, 565502, 593061, 711438, 734266, 848253, 1050218, 1101399, 1186122, 1187033, 1575327, 1696506, 2202798, 2374066, 2569931, 3150654, 3561099, 3675763, 5139862, 7122198, 7351526, 7709793, 8309231, 11027289, 15419586, 15431429, 16618462, 22054578, 24927693, 30862858, 36798023, 46294287, 49855386, 73596046, 92588574, 108020003, 110394069, 216040006, 220788138, 257586161, 324060009, 478374299, 515172322, 648120018, 772758483, 956748598, 1435122897, 1545516966, 2870245794, 3348620093, 6697240186, 10045860279, 20091720558]

約数ペア:

[(1, 20091720558), (2, 10045860279), (3, 6697240186), (6, 3348620093), (7, 2870245794), (13, 1545516966), (14, 1435122897), (21, 956748598), (26, 772758483), (31, 648120018), (39, 515172322), (42, 478374299), (62, 324060009), (78, 257586161), (91, 220788138), (93, 216040006), (182, 110394069), (186, 108020003), (217, 92588574), (273, 73596046), (403, 49855386), (434, 46294287), (546, 36798023), (651, 30862858), (806, 24927693), (911, 22054578), (1209, 16618462), (1302, 15431429), (1303, 15419586), (1822, 11027289), (2418, 8309231), (2606, 7709793), (2733, 7351526), (2821, 7122198), (3909, 5139862), (5466, 3675763), (5642, 3561099), (6377, 3150654), (7818, 2569931), (8463, 2374066), (9121, 2202798), (11843, 1696506), (12754, 1575327), (16926, 1187033), (16939, 1186122), (18242, 1101399), (19131, 1050218), (23686, 848253), (27363, 734266), (28241, 711438), (33878, 593061), (35529, 565502), (38262, 525109), (40393, 497406), (50817, 395374), (54726, 367133), (56482, 355719), (71058, 282751), (80786, 248703), (82901, 242358), (84723, 237146), (101634, 197687), (118573, 169446), (121179, 165802)]