20992758

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23641482

約数列:

[1, 2, 3, 6, 19, 38, 57, 107, 114, 214, 321, 642, 1721, 2033, 3442, 4066, 5163, 6099, 10326, 12198, 32699, 65398, 98097, 184147, 196194, 368294, 552441, 1104882, 3498793, 6997586, 10496379, 20992758]

約数ペア:

[(1, 20992758), (2, 10496379), (3, 6997586), (6, 3498793), (19, 1104882), (38, 552441), (57, 368294), (107, 196194), (114, 184147), (214, 98097), (321, 65398), (642, 32699), (1721, 12198), (2033, 10326), (3442, 6099), (4066, 5163)]