20780051886

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{797}}^1\times {\mathrm{11971}}^1$

素因数の和:12798

約数の個数: 72

約数和(自身を含む): 49554813672

約数和(自身を除く): 28774761786

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 797, 1089, 1594, 2178, 2391, 4782, 7173, 8767, 11971, 14346, 17534, 23942, 26301, 35913, 52602, 71826, 78903, 96437, 107739, 131681, 157806, 192874, 215478, 263362, 289311, 395043, 578622, 790086, 867933, 1185129, 1448491, 1735866, 2370258, 2896982, 4345473, 8690946, 9540887, 13036419, 19081774, 26072838, 28622661, 57245322, 85867983, 104949757, 171735966, 209899514, 314849271, 629698542, 944547813, 1154447327, 1889095626, 2308894654, 3463341981, 6926683962, 10390025943, 20780051886]

約数ペア:

[(1, 20780051886), (2, 10390025943), (3, 6926683962), (6, 3463341981), (9, 2308894654), (11, 1889095626), (18, 1154447327), (22, 944547813), (33, 629698542), (66, 314849271), (99, 209899514), (121, 171735966), (198, 104949757), (242, 85867983), (363, 57245322), (726, 28622661), (797, 26072838), (1089, 19081774), (1594, 13036419), (2178, 9540887), (2391, 8690946), (4782, 4345473), (7173, 2896982), (8767, 2370258), (11971, 1735866), (14346, 1448491), (17534, 1185129), (23942, 867933), (26301, 790086), (35913, 578622), (52602, 395043), (71826, 289311), (78903, 263362), (96437, 215478), (107739, 192874), (131681, 157806)]