20407004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4111}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 38340288

約数和(自身を除く): 17933284

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4111, 4964, 8222, 16444, 69887, 139774, 279548, 300103, 600206, 1200412, 5101751, 10203502, 20407004]

約数ペア:

[(1, 20407004), (2, 10203502), (4, 5101751), (17, 1200412), (34, 600206), (68, 300103), (73, 279548), (146, 139774), (292, 69887), (1241, 16444), (2482, 8222), (4111, 4964)]