20509698

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27183102

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 59, 66, 69, 118, 138, 177, 229, 253, 354, 458, 506, 649, 687, 759, 1298, 1357, 1374, 1518, 1947, 2519, 2714, 3894, 4071, 5038, 5267, 7557, 8142, 10534, 13511, 14927, 15114, 15801, 27022, 29854, 31602, 40533, 44781, 57937, 81066, 89562, 115874, 148621, 173811, 297242, 310753, 347622, 445863, 621506, 891726, 932259, 1864518, 3418283, 6836566, 10254849, 20509698]

約数ペア:

[(1, 20509698), (2, 10254849), (3, 6836566), (6, 3418283), (11, 1864518), (22, 932259), (23, 891726), (33, 621506), (46, 445863), (59, 347622), (66, 310753), (69, 297242), (118, 173811), (138, 148621), (177, 115874), (229, 89562), (253, 81066), (354, 57937), (458, 44781), (506, 40533), (649, 31602), (687, 29854), (759, 27022), (1298, 15801), (1357, 15114), (1374, 14927), (1518, 13511), (1947, 10534), (2519, 8142), (2714, 7557), (3894, 5267), (4071, 5038)]