20459745774

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{262567}}^1$

素因数の和:262631

約数の個数: 80

約数和(自身を含む): 50706081888

約数和(自身を除く): 30246336114

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 81, 111, 117, 162, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1053, 1443, 1998, 2106, 2886, 2997, 4329, 5994, 8658, 12987, 25974, 38961, 77922, 262567, 525134, 787701, 1575402, 2363103, 3413371, 4726206, 6826742, 7089309, 9714979, 10240113, 14178618, 19429958, 20480226, 21267927, 29144937, 30720339, 42535854, 58289874, 61440678, 87434811, 92161017, 126294727, 174869622, 184322034, 252589454, 262304433, 276483051, 378884181, 524608866, 552966102, 757768362, 786913299, 1136652543, 1573826598, 2273305086, 3409957629, 6819915258, 10229872887, 20459745774]

約数ペア:

[(1, 20459745774), (2, 10229872887), (3, 6819915258), (6, 3409957629), (9, 2273305086), (13, 1573826598), (18, 1136652543), (26, 786913299), (27, 757768362), (37, 552966102), (39, 524608866), (54, 378884181), (74, 276483051), (78, 262304433), (81, 252589454), (111, 184322034), (117, 174869622), (162, 126294727), (222, 92161017), (234, 87434811), (333, 61440678), (351, 58289874), (481, 42535854), (666, 30720339), (702, 29144937), (962, 21267927), (999, 20480226), (1053, 19429958), (1443, 14178618), (1998, 10240113), (2106, 9714979), (2886, 7089309), (2997, 6826742), (4329, 4726206), (5994, 3413371), (8658, 2363103), (12987, 1575402), (25974, 787701), (38961, 525134), (77922, 262567)]