20768454

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34389306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 49, 54, 63, 94, 98, 126, 141, 147, 167, 189, 282, 294, 329, 334, 378, 423, 441, 501, 658, 846, 882, 987, 1002, 1169, 1269, 1323, 1503, 1974, 2303, 2338, 2538, 2646, 2961, 3006, 3507, 4509, 4606, 5922, 6909, 7014, 7849, 8183, 8883, 9018, 10521, 13818, 15698, 16366, 17766, 20727, 21042, 23547, 24549, 31563, 41454, 47094, 49098, 54943, 62181, 63126, 70641, 73647, 109886, 124362, 141282, 147294, 164829, 211923, 220941, 329658, 384601, 423846, 441882, 494487, 769202, 988974, 1153803, 1483461, 2307606, 2966922, 3461409, 6922818, 10384227, 20768454]

約数ペア:

[(1, 20768454), (2, 10384227), (3, 6922818), (6, 3461409), (7, 2966922), (9, 2307606), (14, 1483461), (18, 1153803), (21, 988974), (27, 769202), (42, 494487), (47, 441882), (49, 423846), (54, 384601), (63, 329658), (94, 220941), (98, 211923), (126, 164829), (141, 147294), (147, 141282), (167, 124362), (189, 109886), (282, 73647), (294, 70641), (329, 63126), (334, 62181), (378, 54943), (423, 49098), (441, 47094), (501, 41454), (658, 31563), (846, 24549), (882, 23547), (987, 21042), (1002, 20727), (1169, 17766), (1269, 16366), (1323, 15698), (1503, 13818), (1974, 10521), (2303, 9018), (2338, 8883), (2538, 8183), (2646, 7849), (2961, 7014), (3006, 6909), (3507, 5922), (4509, 4606)]