20702952

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 59415840

約数和(自身を除く): 38712888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 743, 774, 1032, 1161, 1486, 1548, 2229, 2322, 2972, 3096, 3483, 4458, 4644, 5944, 6687, 6966, 8916, 9288, 13374, 13932, 17832, 20061, 26748, 27864, 31949, 40122, 53496, 60183, 63898, 80244, 95847, 120366, 127796, 160488, 191694, 240732, 255592, 287541, 383388, 481464, 575082, 766776, 862623, 1150164, 1725246, 2300328, 2587869, 3450492, 5175738, 6900984, 10351476, 20702952]

約数ペア:

[(1, 20702952), (2, 10351476), (3, 6900984), (4, 5175738), (6, 3450492), (8, 2587869), (9, 2300328), (12, 1725246), (18, 1150164), (24, 862623), (27, 766776), (36, 575082), (43, 481464), (54, 383388), (72, 287541), (81, 255592), (86, 240732), (108, 191694), (129, 160488), (162, 127796), (172, 120366), (216, 95847), (258, 80244), (324, 63898), (344, 60183), (387, 53496), (516, 40122), (648, 31949), (743, 27864), (774, 26748), (1032, 20061), (1161, 17832), (1486, 13932), (1548, 13374), (2229, 9288), (2322, 8916), (2972, 6966), (3096, 6687), (3483, 5944), (4458, 4644)]