20503904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37691}}^1$

素因数の和:37718

約数の個数: 24

約数和(自身を含む): 42742728

約数和(自身を除く): 22238824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37691, 75382, 150764, 301528, 603056, 640747, 1206112, 1281494, 2562988, 5125976, 10251952, 20503904]

約数ペア:

[(1, 20503904), (2, 10251952), (4, 5125976), (8, 2562988), (16, 1281494), (17, 1206112), (32, 640747), (34, 603056), (68, 301528), (136, 150764), (272, 75382), (544, 37691)]