20339752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 20250968

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 431, 694, 862, 1388, 1724, 2776, 3448, 5899, 7327, 11798, 14654, 23596, 29308, 47192, 58616, 149557, 299114, 598228, 1196456, 2542469, 5084938, 10169876, 20339752]

約数ペア:

[(1, 20339752), (2, 10169876), (4, 5084938), (8, 2542469), (17, 1196456), (34, 598228), (68, 299114), (136, 149557), (347, 58616), (431, 47192), (694, 29308), (862, 23596), (1388, 14654), (1724, 11798), (2776, 7327), (3448, 5899)]