20976896

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1306

約数の個数: 36

約数和(自身を含む): 42531552

約数和(自身を除く): 21554656

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 1223, 2144, 2446, 4288, 4892, 8576, 9784, 17152, 19568, 39136, 78272, 81941, 156544, 163882, 313088, 327764, 655528, 1311056, 2622112, 5244224, 10488448, 20976896]

約数ペア:

[(1, 20976896), (2, 10488448), (4, 5244224), (8, 2622112), (16, 1311056), (32, 655528), (64, 327764), (67, 313088), (128, 163882), (134, 156544), (256, 81941), (268, 78272), (536, 39136), (1072, 19568), (1223, 17152), (2144, 9784), (2446, 8576), (4288, 4892)]