20563872

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 42141792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 142, 168, 213, 224, 284, 336, 426, 431, 497, 568, 672, 852, 862, 994, 1136, 1293, 1491, 1704, 1724, 1988, 2272, 2586, 2982, 3017, 3408, 3448, 3976, 5172, 5964, 6034, 6816, 6896, 7952, 9051, 10344, 11928, 12068, 13792, 15904, 18102, 20688, 23856, 24136, 30601, 36204, 41376, 47712, 48272, 61202, 72408, 91803, 96544, 122404, 144816, 183606, 214207, 244808, 289632, 367212, 428414, 489616, 642621, 734424, 856828, 979232, 1285242, 1468848, 1713656, 2570484, 2937696, 3427312, 5140968, 6854624, 10281936, 20563872]

約数ペア:

[(1, 20563872), (2, 10281936), (3, 6854624), (4, 5140968), (6, 3427312), (7, 2937696), (8, 2570484), (12, 1713656), (14, 1468848), (16, 1285242), (21, 979232), (24, 856828), (28, 734424), (32, 642621), (42, 489616), (48, 428414), (56, 367212), (71, 289632), (84, 244808), (96, 214207), (112, 183606), (142, 144816), (168, 122404), (213, 96544), (224, 91803), (284, 72408), (336, 61202), (426, 48272), (431, 47712), (497, 41376), (568, 36204), (672, 30601), (852, 24136), (862, 23856), (994, 20688), (1136, 18102), (1293, 15904), (1491, 13792), (1704, 12068), (1724, 11928), (1988, 10344), (2272, 9051), (2586, 7952), (2982, 6896), (3017, 6816), (3408, 6034), (3448, 5964), (3976, 5172)]