20420604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 55652688

約数和(自身を除く): 35232084

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 547, 549, 612, 732, 1037, 1094, 1098, 1641, 2074, 2188, 2196, 3111, 3282, 4148, 4923, 6222, 6564, 9299, 9333, 9846, 12444, 18598, 18666, 19692, 27897, 33367, 37196, 37332, 55794, 66734, 83691, 100101, 111588, 133468, 167382, 200202, 300303, 334764, 400404, 567239, 600606, 1134478, 1201212, 1701717, 2268956, 3403434, 5105151, 6806868, 10210302, 20420604]

約数ペア:

[(1, 20420604), (2, 10210302), (3, 6806868), (4, 5105151), (6, 3403434), (9, 2268956), (12, 1701717), (17, 1201212), (18, 1134478), (34, 600606), (36, 567239), (51, 400404), (61, 334764), (68, 300303), (102, 200202), (122, 167382), (153, 133468), (183, 111588), (204, 100101), (244, 83691), (306, 66734), (366, 55794), (547, 37332), (549, 37196), (612, 33367), (732, 27897), (1037, 19692), (1094, 18666), (1098, 18598), (1641, 12444), (2074, 9846), (2188, 9333), (2196, 9299), (3111, 6564), (3282, 6222), (4148, 4923)]