20076920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26417}}^1$

素因数の和:26447

約数の個数: 32

約数和(自身を含む): 47552400

約数和(自身を除く): 27475480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26417, 52834, 105668, 132085, 211336, 264170, 501923, 528340, 1003846, 1056680, 2007692, 2509615, 4015384, 5019230, 10038460, 20076920]

約数ペア:

[(1, 20076920), (2, 10038460), (4, 5019230), (5, 4015384), (8, 2509615), (10, 2007692), (19, 1056680), (20, 1003846), (38, 528340), (40, 501923), (76, 264170), (95, 211336), (152, 132085), (190, 105668), (380, 52834), (760, 26417)]