20715502

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 13383698

約数列:

[1, 2, 23, 31, 46, 62, 73, 146, 199, 398, 713, 1426, 1679, 2263, 3358, 4526, 4577, 6169, 9154, 12338, 14527, 29054, 52049, 104098, 141887, 283774, 334121, 450337, 668242, 900674, 10357751, 20715502]

約数ペア:

[(1, 20715502), (2, 10357751), (23, 900674), (31, 668242), (46, 450337), (62, 334121), (73, 283774), (146, 141887), (199, 104098), (398, 52049), (713, 29054), (1426, 14527), (1679, 12338), (2263, 9154), (3358, 6169), (4526, 4577)]