20244620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5413}}^1$

素因数の和:5450

約数の個数: 48

約数和(自身を含む): 49115808

約数和(自身を除く): 28871188

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5413, 10826, 21652, 27065, 54130, 59543, 92021, 108260, 119086, 184042, 238172, 297715, 368084, 460105, 595430, 920210, 1012231, 1190860, 1840420, 2024462, 4048924, 5061155, 10122310, 20244620]

約数ペア:

[(1, 20244620), (2, 10122310), (4, 5061155), (5, 4048924), (10, 2024462), (11, 1840420), (17, 1190860), (20, 1012231), (22, 920210), (34, 595430), (44, 460105), (55, 368084), (68, 297715), (85, 238172), (110, 184042), (170, 119086), (187, 108260), (220, 92021), (340, 59543), (374, 54130), (748, 27065), (935, 21652), (1870, 10826), (3740, 5413)]