20579004

素因数分解:

$2^2\times 3^2\times {\mathrm{523}}^1\times {\mathrm{1093}}^1$

素因数の和:1626

約数の個数: 36

約数和(自身を含む): 52166296

約数和(自身を除く): 31587292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1093, 1569, 2092, 2186, 3138, 3279, 4372, 4707, 6276, 6558, 9414, 9837, 13116, 18828, 19674, 39348, 571639, 1143278, 1714917, 2286556, 3429834, 5144751, 6859668, 10289502, 20579004]

約数ペア:

[(1, 20579004), (2, 10289502), (3, 6859668), (4, 5144751), (6, 3429834), (9, 2286556), (12, 1714917), (18, 1143278), (36, 571639), (523, 39348), (1046, 19674), (1093, 18828), (1569, 13116), (2092, 9837), (2186, 9414), (3138, 6558), (3279, 6276), (4372, 4707)]