20171255296

素因数分解:

$2^9\times {\mathrm{577}}^1\times {\mathrm{68279}}^1$

素因数の和:68874

約数の個数: 40

約数和(自身を含む): 40373554320

約数和(自身を除く): 20202299024

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 577, 1154, 2308, 4616, 9232, 18464, 36928, 68279, 73856, 136558, 147712, 273116, 295424, 546232, 1092464, 2184928, 4369856, 8739712, 17479424, 34958848, 39396983, 78793966, 157587932, 315175864, 630351728, 1260703456, 2521406912, 5042813824, 10085627648, 20171255296]

約数ペア:

[(1, 20171255296), (2, 10085627648), (4, 5042813824), (8, 2521406912), (16, 1260703456), (32, 630351728), (64, 315175864), (128, 157587932), (256, 78793966), (512, 39396983), (577, 34958848), (1154, 17479424), (2308, 8739712), (4616, 4369856), (9232, 2184928), (18464, 1092464), (36928, 546232), (68279, 295424), (73856, 273116), (136558, 147712)]