20782746

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12973}}^1$

素因数の和:13070

約数の個数: 24

約数和(自身を含む): 45538740

約数和(自身を除く): 24755994

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12973, 25946, 38919, 77838, 116757, 233514, 1154597, 2309194, 3463791, 6927582, 10391373, 20782746]

約数ペア:

[(1, 20782746), (2, 10391373), (3, 6927582), (6, 3463791), (9, 2309194), (18, 1154597), (89, 233514), (178, 116757), (267, 77838), (534, 38919), (801, 25946), (1602, 12973)]