20896956

素因数分解:

$2^2\times 3^2\times {\mathrm{580471}}^1$

素因数の和:580481

約数の個数: 18

約数和(自身を含む): 52822952

約数和(自身を除く): 31925996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580471, 1160942, 1741413, 2321884, 3482826, 5224239, 6965652, 10448478, 20896956]

約数ペア:

[(1, 20896956), (2, 10448478), (3, 6965652), (4, 5224239), (6, 3482826), (9, 2321884), (12, 1741413), (18, 1160942), (36, 580471)]