20392944

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3006

約数の個数: 80

約数和(自身を含む): 61912704

約数和(自身を除く): 41519760

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 2971, 3432, 5942, 6864, 8913, 11884, 17826, 23768, 32681, 35652, 38623, 47536, 65362, 71304, 77246, 98043, 115869, 130724, 142608, 154492, 196086, 231738, 261448, 308984, 392172, 424853, 463476, 522896, 617968, 784344, 849706, 926952, 1274559, 1568688, 1699412, 1853904, 2549118, 3398824, 5098236, 6797648, 10196472, 20392944]

約数ペア:

[(1, 20392944), (2, 10196472), (3, 6797648), (4, 5098236), (6, 3398824), (8, 2549118), (11, 1853904), (12, 1699412), (13, 1568688), (16, 1274559), (22, 926952), (24, 849706), (26, 784344), (33, 617968), (39, 522896), (44, 463476), (48, 424853), (52, 392172), (66, 308984), (78, 261448), (88, 231738), (104, 196086), (132, 154492), (143, 142608), (156, 130724), (176, 115869), (208, 98043), (264, 77246), (286, 71304), (312, 65362), (429, 47536), (528, 38623), (572, 35652), (624, 32681), (858, 23768), (1144, 17826), (1716, 11884), (2288, 8913), (2971, 6864), (3432, 5942)]