20879432938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{9007}}^1$

素因数の和:9347

約数の個数: 64

約数和(自身を含む): 39516438528

約数和(自身を除く): 18637005590

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 271, 329, 542, 611, 658, 1222, 1897, 3523, 3794, 4277, 7046, 8554, 9007, 12737, 18014, 24661, 25474, 49322, 63049, 89159, 117091, 126098, 165581, 178318, 234182, 331162, 423329, 819637, 846658, 1159067, 1639274, 2318134, 2440897, 2963303, 4881794, 5503277, 5926606, 11006554, 17086279, 31731661, 34172558, 38522939, 63463322, 77045878, 114722159, 222121627, 229444318, 444243254, 803055113, 1491388067, 1606110226, 2982776134, 10439716469, 20879432938]

約数ペア:

[(1, 20879432938), (2, 10439716469), (7, 2982776134), (13, 1606110226), (14, 1491388067), (26, 803055113), (47, 444243254), (91, 229444318), (94, 222121627), (182, 114722159), (271, 77045878), (329, 63463322), (542, 38522939), (611, 34172558), (658, 31731661), (1222, 17086279), (1897, 11006554), (3523, 5926606), (3794, 5503277), (4277, 4881794), (7046, 2963303), (8554, 2440897), (9007, 2318134), (12737, 1639274), (18014, 1159067), (24661, 846658), (25474, 819637), (49322, 423329), (63049, 331162), (89159, 234182), (117091, 178318), (126098, 165581)]