20778888546

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{862123}}^1$

素因数の和:862247

約数の個数: 48

約数和(自身を含む): 48954849216

約数和(自身を除く): 28175960670

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 103, 117, 206, 234, 309, 618, 927, 1339, 1854, 2678, 4017, 8034, 12051, 24102, 862123, 1724246, 2586369, 5172738, 7759107, 11207599, 15518214, 22415198, 33622797, 67245594, 88798669, 100868391, 177597338, 201736782, 266396007, 532792014, 799188021, 1154382697, 1598376042, 2308765394, 3463148091, 6926296182, 10389444273, 20778888546]

約数ペア:

[(1, 20778888546), (2, 10389444273), (3, 6926296182), (6, 3463148091), (9, 2308765394), (13, 1598376042), (18, 1154382697), (26, 799188021), (39, 532792014), (78, 266396007), (103, 201736782), (117, 177597338), (206, 100868391), (234, 88798669), (309, 67245594), (618, 33622797), (927, 22415198), (1339, 15518214), (1854, 11207599), (2678, 7759107), (4017, 5172738), (8034, 2586369), (12051, 1724246), (24102, 862123)]