20213504

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3433}}^1$

素因数の和:3472

約数の個数: 36

約数和(自身を含む): 42114576

約数和(自身を除く): 21901072

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3433, 5888, 6866, 13732, 27464, 54928, 78959, 109856, 157918, 219712, 315836, 439424, 631672, 878848, 1263344, 2526688, 5053376, 10106752, 20213504]

約数ペア:

[(1, 20213504), (2, 10106752), (4, 5053376), (8, 2526688), (16, 1263344), (23, 878848), (32, 631672), (46, 439424), (64, 315836), (92, 219712), (128, 157918), (184, 109856), (256, 78959), (368, 54928), (736, 27464), (1472, 13732), (2944, 6866), (3433, 5888)]