20591072

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 42874272

約数和(自身を除く): 22283200

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 101, 184, 202, 277, 368, 404, 554, 736, 808, 1108, 1616, 2216, 2323, 3232, 4432, 4646, 6371, 8864, 9292, 12742, 18584, 25484, 27977, 37168, 50968, 55954, 74336, 101936, 111908, 203872, 223816, 447632, 643471, 895264, 1286942, 2573884, 5147768, 10295536, 20591072]

約数ペア:

[(1, 20591072), (2, 10295536), (4, 5147768), (8, 2573884), (16, 1286942), (23, 895264), (32, 643471), (46, 447632), (92, 223816), (101, 203872), (184, 111908), (202, 101936), (277, 74336), (368, 55954), (404, 50968), (554, 37168), (736, 27977), (808, 25484), (1108, 18584), (1616, 12742), (2216, 9292), (2323, 8864), (3232, 6371), (4432, 4646)]