20935156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{977}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 40090176

約数和(自身を除く): 19155020

約数列:

[1, 2, 4, 11, 22, 44, 487, 974, 977, 1948, 1954, 3908, 5357, 10714, 10747, 21428, 21494, 42988, 475799, 951598, 1903196, 5233789, 10467578, 20935156]

約数ペア:

[(1, 20935156), (2, 10467578), (4, 5233789), (11, 1903196), (22, 951598), (44, 475799), (487, 42988), (974, 21494), (977, 21428), (1948, 10747), (1954, 10714), (3908, 5357)]