20576622

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 26701458

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 89, 93, 113, 178, 186, 226, 267, 339, 341, 534, 678, 682, 979, 1023, 1243, 1958, 2046, 2486, 2759, 2937, 3503, 3729, 5518, 5874, 7006, 7458, 8277, 10057, 10509, 16554, 20114, 21018, 30171, 30349, 38533, 60342, 60698, 77066, 91047, 110627, 115599, 182094, 221254, 231198, 311767, 331881, 623534, 663762, 935301, 1870602, 3429437, 6858874, 10288311, 20576622]

約数ペア:

[(1, 20576622), (2, 10288311), (3, 6858874), (6, 3429437), (11, 1870602), (22, 935301), (31, 663762), (33, 623534), (62, 331881), (66, 311767), (89, 231198), (93, 221254), (113, 182094), (178, 115599), (186, 110627), (226, 91047), (267, 77066), (339, 60698), (341, 60342), (534, 38533), (678, 30349), (682, 30171), (979, 21018), (1023, 20114), (1243, 16554), (1958, 10509), (2046, 10057), (2486, 8277), (2759, 7458), (2937, 7006), (3503, 5874), (3729, 5518)]