20745522045

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1\times {\mathrm{5233}}^1$

素因数の和:7662

約数の個数: 48

約数和(自身を含む): 36953338032

約数和(自身を除く): 16207815987

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 2381, 5233, 7143, 11905, 15699, 21429, 26165, 35715, 47097, 78495, 88097, 107145, 193621, 235485, 264291, 440485, 580863, 792873, 968105, 1321455, 1742589, 2904315, 3964365, 8712945, 12459773, 37379319, 62298865, 112137957, 186896595, 461011601, 560689785, 1383034803, 2305058005, 4149104409, 6915174015, 20745522045]

約数ペア:

[(1, 20745522045), (3, 6915174015), (5, 4149104409), (9, 2305058005), (15, 1383034803), (37, 560689785), (45, 461011601), (111, 186896595), (185, 112137957), (333, 62298865), (555, 37379319), (1665, 12459773), (2381, 8712945), (5233, 3964365), (7143, 2904315), (11905, 1742589), (15699, 1321455), (21429, 968105), (26165, 792873), (35715, 580863), (47097, 440485), (78495, 264291), (88097, 235485), (107145, 193621)]