20585808

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2423}}^1$

素因数の和:2496

約数の個数: 60

約数和(自身を含む): 58612320

約数和(自身を除く): 38026512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2423, 2832, 4248, 4846, 7269, 8496, 9692, 14538, 19384, 21807, 29076, 38768, 43614, 58152, 87228, 116304, 142957, 174456, 285914, 348912, 428871, 571828, 857742, 1143656, 1286613, 1715484, 2287312, 2573226, 3430968, 5146452, 6861936, 10292904, 20585808]

約数ペア:

[(1, 20585808), (2, 10292904), (3, 6861936), (4, 5146452), (6, 3430968), (8, 2573226), (9, 2287312), (12, 1715484), (16, 1286613), (18, 1143656), (24, 857742), (36, 571828), (48, 428871), (59, 348912), (72, 285914), (118, 174456), (144, 142957), (177, 116304), (236, 87228), (354, 58152), (472, 43614), (531, 38768), (708, 29076), (944, 21807), (1062, 19384), (1416, 14538), (2124, 9692), (2423, 8496), (2832, 7269), (4248, 4846)]