20212676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19973}}^1$

素因数の和:20011

約数の個数: 24

約数和(自身を含む): 40267584

約数和(自身を除く): 20054908

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19973, 39946, 79892, 219703, 439406, 459379, 878812, 918758, 1837516, 5053169, 10106338, 20212676]

約数ペア:

[(1, 20212676), (2, 10106338), (4, 5053169), (11, 1837516), (22, 918758), (23, 878812), (44, 459379), (46, 439406), (92, 219703), (253, 79892), (506, 39946), (1012, 19973)]