20906072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{673}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 42947280

約数和(自身を除く): 22041208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 353, 673, 706, 1346, 1412, 2692, 2824, 3883, 5384, 7403, 7766, 14806, 15532, 29612, 31064, 59224, 237569, 475138, 950276, 1900552, 2613259, 5226518, 10453036, 20906072]

約数ペア:

[(1, 20906072), (2, 10453036), (4, 5226518), (8, 2613259), (11, 1900552), (22, 950276), (44, 475138), (88, 237569), (353, 59224), (673, 31064), (706, 29612), (1346, 15532), (1412, 14806), (2692, 7766), (2824, 7403), (3883, 5384)]