20513328

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{38851}}^1$

素因数の和:38873

約数の個数: 40

約数和(自身を含む): 57811776

約数和(自身を除く): 37298448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 38851, 77702, 116553, 155404, 233106, 310808, 427361, 466212, 621616, 854722, 932424, 1282083, 1709444, 1864848, 2564166, 3418888, 5128332, 6837776, 10256664, 20513328]

約数ペア:

[(1, 20513328), (2, 10256664), (3, 6837776), (4, 5128332), (6, 3418888), (8, 2564166), (11, 1864848), (12, 1709444), (16, 1282083), (22, 932424), (24, 854722), (33, 621616), (44, 466212), (48, 427361), (66, 310808), (88, 233106), (132, 155404), (176, 116553), (264, 77702), (528, 38851)]