20925584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 42800832

約数和(自身を除く): 21875248

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 563, 808, 1126, 1616, 2252, 2323, 4504, 4646, 9008, 9292, 12949, 18584, 25898, 37168, 51796, 56863, 103592, 113726, 207184, 227452, 454904, 909808, 1307849, 2615698, 5231396, 10462792, 20925584]

約数ペア:

[(1, 20925584), (2, 10462792), (4, 5231396), (8, 2615698), (16, 1307849), (23, 909808), (46, 454904), (92, 227452), (101, 207184), (184, 113726), (202, 103592), (368, 56863), (404, 51796), (563, 37168), (808, 25898), (1126, 18584), (1616, 12949), (2252, 9292), (2323, 9008), (4504, 4646)]