20199963808

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{1993}}^1$

素因数の和:2366

約数の個数: 96

約数和(自身を含む): 42546663936

約数和(自身を除く): 22346700128

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 92, 94, 184, 188, 293, 368, 376, 586, 736, 752, 1081, 1172, 1504, 1993, 2162, 2344, 3986, 4324, 4688, 6739, 7972, 8648, 9376, 13478, 13771, 15944, 17296, 26956, 27542, 31888, 34592, 45839, 53912, 55084, 63776, 91678, 93671, 107824, 110168, 183356, 187342, 215648, 220336, 316733, 366712, 374684, 440672, 583949, 633466, 733424, 749368, 1167898, 1266932, 1466848, 1498736, 2154433, 2335796, 2533864, 2997472, 4308866, 4671592, 5067728, 8617732, 9343184, 10135456, 13430827, 17235464, 18686368, 26861654, 27445603, 34470928, 53723308, 54891206, 68941856, 107446616, 109782412, 214893232, 219564824, 429786464, 439129648, 631248869, 878259296, 1262497738, 2524995476, 5049990952, 10099981904, 20199963808]

約数ペア:

[(1, 20199963808), (2, 10099981904), (4, 5049990952), (8, 2524995476), (16, 1262497738), (23, 878259296), (32, 631248869), (46, 439129648), (47, 429786464), (92, 219564824), (94, 214893232), (184, 109782412), (188, 107446616), (293, 68941856), (368, 54891206), (376, 53723308), (586, 34470928), (736, 27445603), (752, 26861654), (1081, 18686368), (1172, 17235464), (1504, 13430827), (1993, 10135456), (2162, 9343184), (2344, 8617732), (3986, 5067728), (4324, 4671592), (4688, 4308866), (6739, 2997472), (7972, 2533864), (8648, 2335796), (9376, 2154433), (13478, 1498736), (13771, 1466848), (15944, 1266932), (17296, 1167898), (26956, 749368), (27542, 733424), (31888, 633466), (34592, 583949), (45839, 440672), (53912, 374684), (55084, 366712), (63776, 316733), (91678, 220336), (93671, 215648), (107824, 187342), (110168, 183356)]