20195576144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1\times {\mathrm{1697}}^1$

素因数の和:2244

約数の個数: 80

約数和(自身を含む): 41507379072

約数和(自身を除く): 21311802928

約数列:

[1, 2, 4, 8, 16, 23, 46, 73, 92, 146, 184, 292, 368, 443, 584, 886, 1168, 1679, 1697, 1772, 3358, 3394, 3544, 6716, 6788, 7088, 10189, 13432, 13576, 20378, 26864, 27152, 32339, 39031, 40756, 64678, 78062, 81512, 123881, 129356, 156124, 163024, 247762, 258712, 312248, 495524, 517424, 624496, 743797, 751771, 991048, 1487594, 1503542, 1982096, 2849263, 2975188, 3007084, 5698526, 5950376, 6014168, 11397052, 11900752, 12028336, 17290733, 22794104, 34581466, 45588208, 54879283, 69162932, 109758566, 138325864, 219517132, 276651728, 439034264, 878068528, 1262223509, 2524447018, 5048894036, 10097788072, 20195576144]

約数ペア:

[(1, 20195576144), (2, 10097788072), (4, 5048894036), (8, 2524447018), (16, 1262223509), (23, 878068528), (46, 439034264), (73, 276651728), (92, 219517132), (146, 138325864), (184, 109758566), (292, 69162932), (368, 54879283), (443, 45588208), (584, 34581466), (886, 22794104), (1168, 17290733), (1679, 12028336), (1697, 11900752), (1772, 11397052), (3358, 6014168), (3394, 5950376), (3544, 5698526), (6716, 3007084), (6788, 2975188), (7088, 2849263), (10189, 1982096), (13432, 1503542), (13576, 1487594), (20378, 991048), (26864, 751771), (27152, 743797), (32339, 624496), (39031, 517424), (40756, 495524), (64678, 312248), (78062, 258712), (81512, 247762), (123881, 163024), (129356, 156124)]