20458077145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{859}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 28497070080

約数和(自身を除く): 8038992935

約数列:

[1, 5, 11, 23, 55, 67, 115, 253, 281, 335, 737, 859, 1265, 1405, 1541, 3091, 3685, 4295, 6463, 7705, 9449, 15455, 16951, 18827, 19757, 32315, 47245, 57553, 71093, 84755, 94135, 98785, 207097, 217327, 241379, 287765, 355465, 433021, 633083, 1035485, 1086635, 1206895, 1323719, 2165105, 2655169, 3165415, 4763231, 5551717, 6618595, 13275845, 14560909, 16172393, 23816155, 27758585, 61068887, 72804545, 80861965, 177896323, 305344435, 371965039, 889481615, 1859825195, 4091615429, 20458077145]

約数ペア:

[(1, 20458077145), (5, 4091615429), (11, 1859825195), (23, 889481615), (55, 371965039), (67, 305344435), (115, 177896323), (253, 80861965), (281, 72804545), (335, 61068887), (737, 27758585), (859, 23816155), (1265, 16172393), (1405, 14560909), (1541, 13275845), (3091, 6618595), (3685, 5551717), (4295, 4763231), (6463, 3165415), (7705, 2655169), (9449, 2165105), (15455, 1323719), (16951, 1206895), (18827, 1086635), (19757, 1035485), (32315, 633083), (47245, 433021), (57553, 355465), (71093, 287765), (84755, 241379), (94135, 217327), (98785, 207097)]