20245862

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 38649600

約数和(自身を除く): 18403738

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 169, 182, 199, 301, 338, 398, 559, 602, 1118, 1183, 1393, 2366, 2587, 2786, 3913, 5174, 7267, 7826, 8557, 14534, 17114, 18109, 33631, 36218, 50869, 59899, 67262, 101738, 111241, 119798, 222482, 235417, 470834, 778687, 1446133, 1557374, 2892266, 10122931, 20245862]

約数ペア:

[(1, 20245862), (2, 10122931), (7, 2892266), (13, 1557374), (14, 1446133), (26, 778687), (43, 470834), (86, 235417), (91, 222482), (169, 119798), (182, 111241), (199, 101738), (301, 67262), (338, 59899), (398, 50869), (559, 36218), (602, 33631), (1118, 18109), (1183, 17114), (1393, 14534), (2366, 8557), (2587, 7826), (2786, 7267), (3913, 5174)]