20381328

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{4289}}^1$

素因数の和:4317

約数の個数: 80

約数和(自身を含む): 63835200

約数和(自身を除く): 43453872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 88, 99, 108, 132, 144, 176, 198, 216, 264, 297, 396, 432, 528, 594, 792, 1188, 1584, 2376, 4289, 4752, 8578, 12867, 17156, 25734, 34312, 38601, 47179, 51468, 68624, 77202, 94358, 102936, 115803, 141537, 154404, 188716, 205872, 231606, 283074, 308808, 377432, 424611, 463212, 566148, 617616, 754864, 849222, 926424, 1132296, 1273833, 1698444, 1852848, 2264592, 2547666, 3396888, 5095332, 6793776, 10190664, 20381328]

約数ペア:

[(1, 20381328), (2, 10190664), (3, 6793776), (4, 5095332), (6, 3396888), (8, 2547666), (9, 2264592), (11, 1852848), (12, 1698444), (16, 1273833), (18, 1132296), (22, 926424), (24, 849222), (27, 754864), (33, 617616), (36, 566148), (44, 463212), (48, 424611), (54, 377432), (66, 308808), (72, 283074), (88, 231606), (99, 205872), (108, 188716), (132, 154404), (144, 141537), (176, 115803), (198, 102936), (216, 94358), (264, 77202), (297, 68624), (396, 51468), (432, 47179), (528, 38601), (594, 34312), (792, 25734), (1188, 17156), (1584, 12867), (2376, 8578), (4289, 4752)]