20795417768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1207

約数の個数: 128

約数和(自身を含む): 43711488000

約数和(自身を除く): 22916070232

約数列:

[1, 2, 4, 8, 19, 31, 38, 61, 62, 71, 76, 122, 124, 142, 152, 244, 248, 284, 488, 568, 589, 1019, 1159, 1178, 1349, 1891, 2038, 2201, 2318, 2356, 2698, 3782, 4076, 4331, 4402, 4636, 4712, 5396, 7564, 8152, 8662, 8804, 9272, 10792, 15128, 17324, 17608, 19361, 31589, 34648, 35929, 38722, 41819, 62159, 63178, 71858, 72349, 77444, 82289, 83638, 124318, 126356, 134261, 143716, 144698, 154888, 164578, 167276, 248636, 252712, 268522, 287432, 289396, 329156, 334552, 497272, 537044, 578792, 600191, 658312, 1074088, 1181021, 1200382, 1374631, 1926929, 2242819, 2362042, 2400764, 2550959, 2749262, 3853858, 4413289, 4485638, 4724084, 4801528, 5101918, 5498524, 7707716, 8826578, 8971276, 9448168, 10203836, 10997048, 15415432, 17653156, 17942552, 20407672, 35306312, 36611651, 42613561, 73223302, 83852491, 85227122, 136811959, 146446604, 167704982, 170454244, 273623918, 292893208, 335409964, 340908488, 547247836, 670819928, 1094495672, 2599427221, 5198854442, 10397708884, 20795417768]

約数ペア:

[(1, 20795417768), (2, 10397708884), (4, 5198854442), (8, 2599427221), (19, 1094495672), (31, 670819928), (38, 547247836), (61, 340908488), (62, 335409964), (71, 292893208), (76, 273623918), (122, 170454244), (124, 167704982), (142, 146446604), (152, 136811959), (244, 85227122), (248, 83852491), (284, 73223302), (488, 42613561), (568, 36611651), (589, 35306312), (1019, 20407672), (1159, 17942552), (1178, 17653156), (1349, 15415432), (1891, 10997048), (2038, 10203836), (2201, 9448168), (2318, 8971276), (2356, 8826578), (2698, 7707716), (3782, 5498524), (4076, 5101918), (4331, 4801528), (4402, 4724084), (4636, 4485638), (4712, 4413289), (5396, 3853858), (7564, 2749262), (8152, 2550959), (8662, 2400764), (8804, 2362042), (9272, 2242819), (10792, 1926929), (15128, 1374631), (17324, 1200382), (17608, 1181021), (19361, 1074088), (31589, 658312), (34648, 600191), (35929, 578792), (38722, 537044), (41819, 497272), (62159, 334552), (63178, 329156), (71858, 289396), (72349, 287432), (77444, 268522), (82289, 252712), (83638, 248636), (124318, 167276), (126356, 164578), (134261, 154888), (143716, 144698)]