20108536

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18899}}^1$

素因数の和:18931

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 25251464

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18899, 37798, 75596, 132293, 151192, 264586, 359081, 529172, 718162, 1058344, 1436324, 2513567, 2872648, 5027134, 10054268, 20108536]

約数ペア:

[(1, 20108536), (2, 10054268), (4, 5027134), (7, 2872648), (8, 2513567), (14, 1436324), (19, 1058344), (28, 718162), (38, 529172), (56, 359081), (76, 264586), (133, 151192), (152, 132293), (266, 75596), (532, 37798), (1064, 18899)]