20590794

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 57139200

約数和(自身を除く): 36548406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 47, 54, 57, 61, 63, 94, 114, 122, 126, 133, 141, 171, 183, 189, 266, 282, 329, 342, 366, 378, 399, 423, 427, 513, 549, 658, 798, 846, 854, 893, 987, 1026, 1098, 1159, 1197, 1269, 1281, 1647, 1786, 1974, 2318, 2394, 2538, 2562, 2679, 2867, 2961, 3294, 3477, 3591, 3843, 5358, 5734, 5922, 6251, 6954, 7182, 7686, 8037, 8113, 8601, 8883, 10431, 11529, 12502, 16074, 16226, 17202, 17766, 18753, 20069, 20862, 23058, 24111, 24339, 25803, 31293, 37506, 40138, 48222, 48678, 51606, 54473, 56259, 60207, 62586, 73017, 77409, 108946, 112518, 120414, 146034, 154818, 163419, 168777, 180621, 219051, 326838, 337554, 361242, 381311, 438102, 490257, 541863, 762622, 980514, 1083726, 1143933, 1470771, 2287866, 2941542, 3431799, 6863598, 10295397, 20590794]

約数ペア:

[(1, 20590794), (2, 10295397), (3, 6863598), (6, 3431799), (7, 2941542), (9, 2287866), (14, 1470771), (18, 1143933), (19, 1083726), (21, 980514), (27, 762622), (38, 541863), (42, 490257), (47, 438102), (54, 381311), (57, 361242), (61, 337554), (63, 326838), (94, 219051), (114, 180621), (122, 168777), (126, 163419), (133, 154818), (141, 146034), (171, 120414), (183, 112518), (189, 108946), (266, 77409), (282, 73017), (329, 62586), (342, 60207), (366, 56259), (378, 54473), (399, 51606), (423, 48678), (427, 48222), (513, 40138), (549, 37506), (658, 31293), (798, 25803), (846, 24339), (854, 24111), (893, 23058), (987, 20862), (1026, 20069), (1098, 18753), (1159, 17766), (1197, 17202), (1269, 16226), (1281, 16074), (1647, 12502), (1786, 11529), (1974, 10431), (2318, 8883), (2394, 8601), (2538, 8113), (2562, 8037), (2679, 7686), (2867, 7182), (2961, 6954), (3294, 6251), (3477, 5922), (3591, 5734), (3843, 5358)]