20151872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:535

約数の個数: 56

約数和(自身を含む): 43973496

約数和(自身を除く): 23821624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 457, 689, 832, 848, 914, 1378, 1696, 1828, 2756, 3392, 3656, 5512, 5941, 7312, 11024, 11882, 14624, 22048, 23764, 24221, 29248, 44096, 47528, 48442, 95056, 96884, 190112, 193768, 314873, 380224, 387536, 629746, 775072, 1259492, 1550144, 2518984, 5037968, 10075936, 20151872]

約数ペア:

[(1, 20151872), (2, 10075936), (4, 5037968), (8, 2518984), (13, 1550144), (16, 1259492), (26, 775072), (32, 629746), (52, 387536), (53, 380224), (64, 314873), (104, 193768), (106, 190112), (208, 96884), (212, 95056), (416, 48442), (424, 47528), (457, 44096), (689, 29248), (832, 24221), (848, 23764), (914, 22048), (1378, 14624), (1696, 11882), (1828, 11024), (2756, 7312), (3392, 5941), (3656, 5512)]