20342268

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 55783728

約数和(自身を除く): 35441460

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 773, 774, 1462, 1546, 1548, 2193, 2319, 2924, 3092, 4386, 4638, 6579, 6957, 8772, 9276, 13141, 13158, 13914, 26282, 26316, 27828, 33239, 39423, 52564, 66478, 78846, 99717, 118269, 132956, 157692, 199434, 236538, 299151, 398868, 473076, 565063, 598302, 1130126, 1196604, 1695189, 2260252, 3390378, 5085567, 6780756, 10171134, 20342268]

約数ペア:

[(1, 20342268), (2, 10171134), (3, 6780756), (4, 5085567), (6, 3390378), (9, 2260252), (12, 1695189), (17, 1196604), (18, 1130126), (34, 598302), (36, 565063), (43, 473076), (51, 398868), (68, 299151), (86, 236538), (102, 199434), (129, 157692), (153, 132956), (172, 118269), (204, 99717), (258, 78846), (306, 66478), (387, 52564), (516, 39423), (612, 33239), (731, 27828), (773, 26316), (774, 26282), (1462, 13914), (1546, 13158), (1548, 13141), (2193, 9276), (2319, 8772), (2924, 6957), (3092, 6579), (4386, 4638)]