20917366866

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1187003}}^1$

素因数の和:1187111

約数の個数: 48

約数和(自身を含む): 49996608480

約数和(自身を除く): 29079241614

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 89, 99, 178, 198, 267, 534, 801, 979, 1602, 1958, 2937, 5874, 8811, 17622, 1187003, 2374006, 3561009, 7122018, 10683027, 13057033, 21366054, 26114066, 39171099, 78342198, 105643267, 117513297, 211286534, 235026594, 316929801, 633859602, 950789403, 1162075937, 1901578806, 2324151874, 3486227811, 6972455622, 10458683433, 20917366866]

約数ペア:

[(1, 20917366866), (2, 10458683433), (3, 6972455622), (6, 3486227811), (9, 2324151874), (11, 1901578806), (18, 1162075937), (22, 950789403), (33, 633859602), (66, 316929801), (89, 235026594), (99, 211286534), (178, 117513297), (198, 105643267), (267, 78342198), (534, 39171099), (801, 26114066), (979, 21366054), (1602, 13057033), (1958, 10683027), (2937, 7122018), (5874, 3561009), (8811, 2374006), (17622, 1187003)]