20148653485

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 25350624000

約数和(自身を除く): 5201970515

約数列:

[1, 5, 47, 89, 103, 199, 235, 445, 515, 995, 2209, 4183, 4841, 9167, 9353, 11045, 17711, 20497, 20915, 24205, 45835, 46765, 88555, 102485, 196601, 227527, 430849, 439591, 832417, 963359, 983005, 1137635, 1824233, 2154245, 2197955, 4162085, 4816795, 9121165, 20249903, 39123599, 45277873, 85738951, 101249515, 195617995, 226389365, 428694755, 4029730697, 20148653485]

約数ペア:

[(1, 20148653485), (5, 4029730697), (47, 428694755), (89, 226389365), (103, 195617995), (199, 101249515), (235, 85738951), (445, 45277873), (515, 39123599), (995, 20249903), (2209, 9121165), (4183, 4816795), (4841, 4162085), (9167, 2197955), (9353, 2154245), (11045, 1824233), (17711, 1137635), (20497, 983005), (20915, 963359), (24205, 832417), (45835, 439591), (46765, 430849), (88555, 227527), (102485, 196601)]