20150917808

素因数分解:

$2^4\times 7^1\times {\mathrm{179918909}}^1$

素因数の和:179918924

約数の個数: 20

約数和(自身を含む): 44619889680

約数和(自身を除く): 24468971872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179918909, 359837818, 719675636, 1259432363, 1439351272, 2518864726, 2878702544, 5037729452, 10075458904, 20150917808]

約数ペア:

[(1, 20150917808), (2, 10075458904), (4, 5037729452), (7, 2878702544), (8, 2518864726), (14, 1439351272), (16, 1259432363), (28, 719675636), (56, 359837818), (112, 179918909)]