20570742

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 46558512

約数和(自身を除く): 25987770

約数列:

[1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 461, 603, 666, 922, 1206, 1383, 2479, 2766, 4149, 4958, 7437, 8298, 14874, 17057, 22311, 30887, 34114, 44622, 51171, 61774, 92661, 102342, 153513, 185322, 277983, 307026, 555966, 1142819, 2285638, 3428457, 6856914, 10285371, 20570742]

約数ペア:

[(1, 20570742), (2, 10285371), (3, 6856914), (6, 3428457), (9, 2285638), (18, 1142819), (37, 555966), (67, 307026), (74, 277983), (111, 185322), (134, 153513), (201, 102342), (222, 92661), (333, 61774), (402, 51171), (461, 44622), (603, 34114), (666, 30887), (922, 22311), (1206, 17057), (1383, 14874), (2479, 8298), (2766, 7437), (4149, 4958)]