20425472

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3508

約数の個数: 36

約数和(自身を含む): 42556080

約数和(自身を除く): 22130608

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3469, 5888, 6938, 13876, 27752, 55504, 79787, 111008, 159574, 222016, 319148, 444032, 638296, 888064, 1276592, 2553184, 5106368, 10212736, 20425472]

約数ペア:

[(1, 20425472), (2, 10212736), (4, 5106368), (8, 2553184), (16, 1276592), (23, 888064), (32, 638296), (46, 444032), (64, 319148), (92, 222016), (128, 159574), (184, 111008), (256, 79787), (368, 55504), (736, 27752), (1472, 13876), (2944, 6938), (3469, 5888)]