20847114

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39937}}^1$

素因数の和:39974

約数の個数: 24

約数和(自身を含む): 46727460

約数和(自身を除く): 25880346

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39937, 79874, 119811, 239622, 359433, 718866, 1158173, 2316346, 3474519, 6949038, 10423557, 20847114]

約数ペア:

[(1, 20847114), (2, 10423557), (3, 6949038), (6, 3474519), (9, 2316346), (18, 1158173), (29, 718866), (58, 359433), (87, 239622), (174, 119811), (261, 79874), (522, 39937)]