20976966

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2203}}^1$

素因数の和:2257

約数の個数: 36

約数和(自身を含む): 47533668

約数和(自身を除く): 26556702

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2203, 3174, 4406, 4761, 6609, 9522, 13218, 19827, 39654, 50669, 101338, 152007, 304014, 456021, 912042, 1165387, 2330774, 3496161, 6992322, 10488483, 20976966]

約数ペア:

[(1, 20976966), (2, 10488483), (3, 6992322), (6, 3496161), (9, 2330774), (18, 1165387), (23, 912042), (46, 456021), (69, 304014), (138, 152007), (207, 101338), (414, 50669), (529, 39654), (1058, 19827), (1587, 13218), (2203, 9522), (3174, 6609), (4406, 4761)]