20488064

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2389}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 41442600

約数和(自身を除く): 20954536

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2389, 4288, 4778, 8576, 9556, 19112, 38224, 76448, 152896, 160063, 305792, 320126, 640252, 1280504, 2561008, 5122016, 10244032, 20488064]

約数ペア:

[(1, 20488064), (2, 10244032), (4, 5122016), (8, 2561008), (16, 1280504), (32, 640252), (64, 320126), (67, 305792), (128, 160063), (134, 152896), (268, 76448), (536, 38224), (1072, 19112), (2144, 9556), (2389, 8576), (4288, 4778)]