20597904

素因数分解:

$2^4\times 3^2\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:784

約数の個数: 60

約数和(自身を含む): 57956236

約数和(自身を除く): 37358332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 457, 626, 914, 939, 1252, 1371, 1828, 1878, 2504, 2742, 2817, 3656, 3756, 4113, 5008, 5484, 5634, 7312, 7512, 8226, 10968, 11268, 15024, 16452, 21936, 22536, 32904, 45072, 65808, 143041, 286082, 429123, 572164, 858246, 1144328, 1287369, 1716492, 2288656, 2574738, 3432984, 5149476, 6865968, 10298952, 20597904]

約数ペア:

[(1, 20597904), (2, 10298952), (3, 6865968), (4, 5149476), (6, 3432984), (8, 2574738), (9, 2288656), (12, 1716492), (16, 1287369), (18, 1144328), (24, 858246), (36, 572164), (48, 429123), (72, 286082), (144, 143041), (313, 65808), (457, 45072), (626, 32904), (914, 22536), (939, 21936), (1252, 16452), (1371, 15024), (1828, 11268), (1878, 10968), (2504, 8226), (2742, 7512), (2817, 7312), (3656, 5634), (3756, 5484), (4113, 5008)]