20204672

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6900

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 21803008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6863, 13726, 27452, 54904, 109808, 157849, 219616, 315698, 439232, 631396, 878464, 1262792, 2525584, 5051168, 10102336, 20204672]

約数ペア:

[(1, 20204672), (2, 10102336), (4, 5051168), (8, 2525584), (16, 1262792), (23, 878464), (32, 631396), (46, 439232), (64, 315698), (92, 219616), (128, 157849), (184, 109808), (368, 54904), (736, 27452), (1472, 13726), (2944, 6863)]